IMG_1845

 

Dominique Lord

Professor of Civil Engineering

Zachry Department of Civil Engineering

3136 TAMU

Texas A&M University

College Station, TX

77843-3136

 

Tel. (979) 458-3949

Fax. (979) 845-6481

 

e-mail : d-lord “at” tamu “dot” edu

 

Curriculum Vitae

 

Video of Dr. Lord discussing his program at TTI

 

 

Information about my research activities, teaching activities, graduate students and access to publications can be found below.

 

 

Last update: Aug 30, 2017

 

civil-zachry2

 

 

Short Biography

 

Dr. Dominique Lord is a Professor in the Zachry Department of Civil Engineering at Texas A&M University and former Division Head for the Materials and Transportation Division (2014-2016). Between 2011 and 2015, he held the Zachry Development Professor I, while being an Associate Professor. Prior to joining the department in September 2004, he was an Associate Research Scientist with the Center for Transportation Safety at the Texas A&M Transportation Institute (TTI) (formally known as the Texas Transportation Institute), and a Research Assistant at Ryerson University. Dr. Lord holds a B.Eng. (1992) in Civil Engineering from McGill University, and an M.A.Sc. (1994) and Ph.D. (2000) from the University of Toronto.

 

Over the last 20 years, Dr. Lord has conducted numerous research studies in the United States, Canada, and across the world. He just completed the study titled “NCHRP 17-58: Safety Prediction Models for Six-Lane and One-Way Urban and Suburban Arterials” funded by the National Academy of Sciences (NAS). Since joining Texas A&M, he successfully completed the project titled “NCHRP 17-29: Developing a Methodology for Predicting the Safety Performance of Rural Multilane HighwaysTxDOT’s “Analysis of Roadway Departure Crashes on Two-Lane Rural Roads in Texas,” as well as a CDC-funded project titled “Reducing Older Driver Injuries at Intersections using more Accommodating Design Practices.” Dr. Lord has also had the opportunity to provide his expertise on many other projects, such as: the safety effects of on-premise digital signs; aiding in the development of new design guidelines for installing median barriers; incorporating safety into the highway design process; the calibration of crash prediction models; the application of accident modification factors within the highway design process; and the development of an in-service evaluation program of roadside safety devices. Further, he was one of the participants in an award-winning research study on the application the empirical Bayes (EB) method to estimate the safety benefits of installing roundabouts at intersections. Another important study in which he participated was on the evaluation of the Manitoba Driver Education Program for high school students. In 2000, Dr. Lord lead a traffic safety study in Burkina Faso, Western Africa, that incorporated the application of the latest state-of-the-art safety methods to identify hazardous roadway segments located in rural areas.

 

His work has led to the identification of important issues in highway safety research (e.g., misuse of zero-inflated models, biases caused by low sample mean and small sample size problems) and the development of new and innovative methodologies for analyzing crash data (e.g., Bayesian neural networks, support vector machines, Conway-Maxwell-Poisson GLMs, Latent Class models, Negative Binomial-Lindley, Negative Binomial-Generalized Exponential, and Semi-Parametric models based on the Dirichlet process). The results of his research have been used by researchers across the world and several areas, including medicine, accounting, mathematics and statistics, biology and most engineering disciplines among others.

 

Dr. Lord's primary interests are conducting fundamental research on accident analysis methodology, new and innovative statistical methods for modeling motor vehicle collisions (including Bayesian statistics), and before/after evaluation techniques. His other research interests include problems associated with the crash data collection process, safety audits, human factors related to older drivers and pedestrians, and traffic flow theory. He has had more than 105 papers published in peer-reviewed journals and more than 90 papers at international conferences with a peer-reviewed process.

 

He is the recipient of numerous national awards, such as the Transportation Research Board D. Grant Mickle Award, the 2000 Canadian Association of Road Safety Professional Best Paper Award, the 2010 CUTC-ARTBA New Faculty Member Award, and the Center for Disease Control and Prevention (CDC) New Investigator Research Award. He is a registered Professional Engineer in both the Provinces of Ontario and Quebec.

 

 

 

 

Teaching Activities

 

Fall 2017: CVEN 626 – Highway Safety

Fall 2017: CVEN 635 – Street and Highway Design

 

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Research Activities

 

• Fundamental work in traffic safety

• Statistical modeling of crash data

• Evaluation of countermeasures

• Crash risk

• Human factors

• Transportation policy

 

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Current and Past Research Projects

 

• Lord, D., S. Geedipally, M. Shirazi (2016) Improved Guidelines for Estimating the Highway Safety Manual Calibration Factors. Final Report ATLAS-2015-10, Texas A&M University/University of Michigan, College Station, TX.

 

• TxDOT Project 0-6031 Analysis of Roadway Departure Crashes on Two-Lane Rural Roads in Texas

 

• Transportation Infrastructure and Quality of Life for Disadvantage Populations: A Pilot Study of Two Colonias in Texas (Project Completed) Final report: http://swutc.tamu.edu/publications/technicalreports/167162-1.pdf

 

• NCHRP 17-29: Methodology to Predict the Safety Performance of Rural Multilane Highways (Project Completed)

          Final report: http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_w126.pdf

 

• CDC Project: Reducing Older Driver Injuries at Intersections (Project Completed – see report below)

 

 

 

Seminars, Interviews and Media

 

• Journal newspaper chain of Oak Park, Illinois (Nov. 29th, 2016)

(http://www.oakpark.com/News/Articles/1-10-2017/A-street-paved-with-gold/?utm_campaign=WJ-News&utm_medium=Outbound-Email&utm_source=WJ-News-1-10-2017)

• Politifact-Pennsylvania (June 8, 2016) (http://www.politifact.com/pennsylvania/statements/2016/jun/14/tom-mccarey/radar-guns-and-cameras-dont-stop-accidents-huh/)

• Newsday, Long Island, NY (April 7, 2016) (http://www.newsday.com/long-island/suffolk/some-suffolk-red-light-camera-sites-see-rise-in-injury-accidents-1.11670932)

• Auto Insurance Center (March 17, 2016) (http://www.autoinsurancecenter.com/report-predicts-spike-in-pedestrian-deaths.htm)

• Auto Insurance Center (Feb 19, 2016) (http://www.autoinsurancecenter.com/red-light-speed-cameras.htm)

• News Talk AM770, Calgary (Feb 3, 2016)

• Chicago Tribune (January 28, 2016)

(http://www.chicagotribune.com/news/watchdog/redlight/ct-chicago-red-light-cameras-met-0131-20160129-story.html)

• Nerdwallet (August 2015) (http://www.nerdwallet.com/blog/auto-insurance/red-light-camera-tickets-car-insurance-rates/)

• WalletHub (July 2015) (http://wallethub.com/edu/best-worst-states-for-summer-road-trips/4648/#dominique-lord)

• AOLMedia (Jan. 6, 2015)

• Glendale Cherry Creek Chronicle (http://glendalecherrycreek.com/, Denver, Dec. 29, 2014)

• KCBS (San Francisco, Dec. 23, 2014)

• St. Lambert Journal/Brossard Journal (Interview: ITS issues, April 28, 2010)

• St. Lambert Journal (Interview: highway safety, March 31, 2010)

• Guest speaker on Citytv’s Talkback Live in Toronto, Ont.

• Performed a seminar at C.O. Charles College (Police Academy) on traffic engineering and safety.

• Conducted presentations on traffic safety issues for numerous research groups in the Province of Quebec.

 

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Graduate Student Supervision

 

Below are graduate students under my supervision.

 

 

image1

 

January 12th, 2016 at Tony Cheng in Washington, D.C. (LtoR): Javier (son), Leah (wife), Mr. Hadi Khazraee (Ph.D. candidate),

Dr. Lingtao Wu, me, Dr. Srinivas Geedipally, Dr. Chung-Wei Shen (husband of Pei-Fen and former A&M student in our program),

Dr. Pei-Fen Kuo, Dr. Byung-Jung Park, Dr. Myunghoon Ko, Mr. Thanh Le

Missing, but were in Washington: Dr. Yichuan Peng, Ms. Vichika Iragavarapu, Mr. Mohammadali Shirazi

 

 

DrLordGroup

 

February 28th, 2008: (L to R) Kyuntae, Pei-Fen, Fan, Byung Jung, me, Thanh, Sriram, Srinivas, Hien, Mehdi

(Dr. Hawkin’s Student), and Soma (a Ph.D. student in statistics who has an interest in highway safety)

 

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February 28th, 2008 – Relaxing while enjoying healthy food

 

 

Picture 003

 

February 19, 2009: (LtoR) Myunghoon, Yajie, Yichuan, Byung-Jung, Srinivas, me, Thanh,

Sandra (Ph.D. student from Portugal), Mehdi, Pei-Fen, Fan and Hien

 

 

These pictures were taken at one of our bi-weekly meetings. These meetings are used to provide a venue for the students to share their most recent research work activities and improve their presentation skills. Each student, on a rotational basis, presents a short presentation on a relevant research topic. 

 

Ph.D. Degree

         

          Maryam Mousavi

Started: January 1st, 2016

Thesis title: TBD

Graduated: TBD

 

          Mohammadali Shirazi

          Started: September 1st, 2013

          Graduated: TBD

          Dissertation Title: TBD

          E-mail: TBD

 

          Lingtao Wu

          Started: January 1st, 2012

          Graduated: August 2016

          Dissertation Title: Examining the Use of Regression Models for Developing Crash Reduction Factors

          E-mail: l-wu @ tti.tamu.edu

 

          Seyed Hadi Khazraee

          Started: January 1st, 2012

          Graduated: Augist 2016

          Dissertation Title: Full Bayesian Poisson-Hierarchical Models for Crash Data Analysis: Investigating the Impact of Model choice on Site-Specific Predictions

          E-mail: hadikhazraee @ neo.tamu.edu

 

Yichuan Peng

          Started: Sept 1st, 2008

Graduated: May 2013

          Dissertation title: Examining the Generalized Waring Model for the Analysis of Traffic Crashes

          Employment: Post-Doc at University of Central Florida

          E-mail: pycgx @ neo.tamu.edu

 

Myunghoon Ko

          Started: Sept 1st, 2008

          Graduated: Dec 2011

          Dissertation title: Incorporating Vehicle Emission Models into the Design Process

          Employment: Texas A&M Transportation Institute

          E-mail: kmh114 @ ttimail.tamu.edu

 

Pei-Fen Kuo

          Started: Sept 1st, 2007

          Graduated: May 2012

          Dissertation title: Estimating the Effects of Site Selection Criteria for Evaluating the Effectiveness of Traffic Safety Improvement Countermeasures

Employment: National Police University in Taiwan

          E-mail:

         

Fan Ye

          Started: Jan 1st, 2007

          Graduated: May 2011

Dissertation title: Investigating the Effects of Sample Size, Model Misspecification, and Underreporting in Crash Data on Three Commonly Used Traffic

Crash Severity Models

Last Employment: Ohio Northern University

          E-mail:

 

Byung Jung Park

          Started: Sept 1st, 2006

          Graduated: May 2010

          Dissertation title: Application of the Finite Mixture Models for Vehicle Crash Data Analysis

          Employment: Myongji University

E-mail: bjpark @ mju.ac.kr

 

srinivas

          Srinivas Geedipally                                                 

          Started: Sept 1st, 2005

          Graduated: December 2008

          Employment: Texas A&M Transportation Institute

Dissertation title: Examining the Application of Conway-Maxwell-Poisson models for Analyzing Traffic

Crash Data

E-mail: Srinivas-G @ TTIMAIL.TAMU.EDU

 

 

Important notes for potential Ph.D. applicants (I am always interested in supervising good students): At the Ph.D. level, you should already know your area of interest. Therefore, I strongly suggest not to send a request to various professors within the same department by slightly changing the content of your e-mail to each professor. This indicates to us that you are not seriously interested in the professor’s area of research. Also, please do not ask for funding opportunities upfront. Funding is given on a competitive basis based on the people who have officially applied to our program. Additional information can be found here:

 

http://engineering.tamu.edu/civil/current-students/graduate-students

http://engineering.tamu.edu/civil/prospective-students/graduate/degree-programs

http://engineering.tamu.edu/civil/prospective-students/graduate/funding

 

          Unfortunately, I do not offer summer internship.

 

Master of Science Degree

 

          Bharadwaj Bommanayakanahalli

Started: January 1st, 2016

Thesis title: TBD

Graduated: TBD

 

Ming-Han Yang

Started: Sept. 1st, 2015

Thesis title: TBD

Graduated: TBD

 

          Prathyusha Vangala

Graduated: May 2014

          Thesis: Negative Binomial-Generalized Exponential Distribution: Generalized Linear Model and Its Applications

 

          Lingzi Cheng

          Graduated: August 2012

          Thesis title: Examining the Poisson-Weibull Generalization Model for Analyzing Crash Data

 

          Yaotian Zou 

          Graduated: August 2012

          Thesis title: Over- and Under-Dispersed Crash Data: Comparing the Conway-Maxwell-Poisson and Double-Poisson Distributions

 

          Thanh Le

Graduated: December, 2009

Thesis title: Application of Microscopic Simulation to Evaluate the Safety Performance of Freeway Weaving Sections

 

          GiridharReddy SingiReddy

Graduated: December, 2007

Thesis title: Evaluating TxDOT’s safety Improvement Index (SII): A Prioritization Tool

 

Vichika Iragavarapu

Graduated: December, 2007

Thesis title: Examining Potential Factors Affecting the Safety Performance and Design of Exclusive Truck Facilities

 

          Bhushan Gokhale

Graduated: December, 2006

Thesis Title: Application of Landfill Gas as a Liquefied Natural Gas for Refuse Trucks in Texas

 

Master of Engineering Degree

 

          Darshan Padmanabha

          Graduated: TBD

 

Rudraradhya Hiremath

Graduated: TBD

 

Adrian Contreras

Graduated: December 2015

 

Elizabeth Nelson

Graduated: August 2015

 

          Hien Pham

          Graduated: May 2012

 

Yajie Zou

          Graduated: August 2010

 

          Karthikeya (Sriram) Banda

          Graduated: August 2008

 

          Charles Stevens

          Graduated: June, 2005

         

          Seong-Hee Cho

          Graduated: August, 2005

 

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Recent Publications

 

Below are recent papers I wrote or co-wrote. The final version of the papers can be found where they are listed. However, I attached the draft version or the version that was sent to the publisher. Sometimes, the original report from which the paper was written is also provided. To access the paper, click on the title.

 

Overview

 

Scopus: h-index = 29 (26 without self-citations)

 

Scopus: Citations = 3,328 (2,782 without self-citations)

 

Google Scholar: h-index = 38; i10-index = 89

 

Google Scholar: Citations = 7,043 (https://scholar.google.com/citations?user=A1GQZYgAAAAJ&hl=en)

 

Microsoft Academic: Citations = 5,919 (based on 175 papers – many papers are duplicates or from other authors) (https://academic.microsoft.com/#/detail/2122696152)

 

Top 5 most cited author in Accident Analysis & Prevention since 2005 (28 papers) (was 1st for several years). Second most cited paper in AA&P since 2005 (Poisson, Poisson-gamma and zero-inflated regression models of motor vehicle crashes: balancing statistical fit and theory) (was 1st for 7 years; according to Microsoft Academic, this paper is the third most cited paper on a per year basis in the history of Accident Analysis & Prevention). This paper titled “The Statistical Analysis of Highway Crash-Injury Severities: A Review and Assessment of Methodological Alternatives” is actually is the second most cited paper on a per year basis in the history of Accident Analysis & Prevention.

 

Made the preliminary list of the most influential (number of papers for high citations) researchers in my field on the Thomson Reuters Community:

(http://community.thomsonreuters.com/t5/InCites-Customer-Forum/Preliminary-publication-of-new-lists-of-Highly-Cited-Researchers/td-p/36685). Unfortunately, I was excluded from the final list since TR changed the selection criteria to simplify the process. Since I publish in different fields (engineering, social science, economics/management, etc.), all my citations are split among the journals associated with these different fields, which reduces the impact of my research. In fact, all highly-cited transportation engineering professors who were on the preliminary list have also been excluded. (June 10, 2014)

 

Research Reports

 

•        Lord, D., and S.R. Geedipally (2014) Safety Effects of the Red-Light Camera Enforcement Program in Chicago, Illinois. Research report prepared for the Chicago Tribune, College Station, TX

 

•        Lord, D., I. van Schalkwyk, L. Staplin, and S. Chrysler (2005) Reducing Older Driver Injuries at Intersections Using More Accommodating Roundabout Design Practices. TTI Report CTS-05-01. Texas Transportation Institute, College Station, TX.

 

You can find the main report here. You can find the appendices here.

 

Books, Book Chapters, and Manuals

 

Safe Mobility

 

Currently finishing a book titled “Safe Mobility,” led by Dr. Dominique Lord and Dr. Simon Washington (primary editors), as part of the Emerald Transport and Sustainability book series:

 

Volume 10: Challenges, Methodology and Solutions (new link to Amazon.com; pre-order)

 

The book will detail the technical issues and policies relating to road safety and safe mobility in general, with a special emphasis on the human factors, physical and operational characteristics, as well as analysis methodologies and interpretation of data. The ultimate objective is to provide a state of the practice book series on safe mobility prepared by leading highway safety experts internationally. The anticipated publication date is early 2018.

 

CrimeStat IV (January 15, 2014 - all chapters were peer-reviewed - http://nij.gov/topics/technology/maps/pages/crimestat.aspx):

 

•        Levine, N., and D. Lord (2013) CrimeStat IV: Chapter 15 - OLS Regression Modeling (Part V: Spatial Modeling II). Ned Levine & Associates and the National Institute of Justice, Washington, D.C.

(http://nij.gov/topics/technology/maps/Documents/crimestat-files/CrimeStat%20IV%20Chapter%2015.pdf)

 

•        Lord, D., B.-J. Park, and N. Levine (2013) CrimeStat IV: Chapter 16 - Poisson Regression Modeling (Part V: Spatial Modeling II). Ned Levine & Associates and the National Institute of Justice, Washington, D.C.

(http://nij.gov/topics/technology/maps/Documents/crimestat-files/CrimeStat%20IV%20Chapter%2016.pdf)

 

•        Levine, N., D. Lord, B.-J. Park, S. Geedipally, H. Teng, and L. Sheng (2013) CrimeStat IV: Chapter 17 - Estimating Complex Models with Markov Chain Monte Carlo Simulation (Part V: Spatial Modeling II). Ned Levine & Associates and the National Institute of Justice, Washington, D.C.

(http://nij.gov/topics/technology/maps/Documents/crimestat-files/CrimeStat%20IV%20Chapter%2017.pdf)

 

•        Levine, N., D. Lord, and B.-J. Park (2013) CrimeStat IV: Chapter 18 - Binomial Regression Modeling (Part V: Spatial Modeling II). Ned Levine & Associates and the National Institute of Justice, Washington, D.C.

(http://nij.gov/topics/technology/maps/Documents/crimestat-files/CrimeStat%20IV%20Chapter%2018.pdf)

 

•        Levine, N., D. Lord, B.-J. Park, S. Geedipally, H. Teng, and L. Sheng (2013) CrimeStat IV: Chapter 19 - Spatial Regression Modeling (Part V: Spatial Modeling II). Ned Levine & Associates and the National Institute of Justice, Washington, D.C.

(http://nij.gov/topics/technology/maps/Documents/crimestat-files/CrimeStat%20IV%20Chapter%2019.pdf)

 

•        Levine, N., D. Lord, B.-J. Park, S. Geedipally, H. Teng, L. Sheng, and I. Cahill (2013) CrimeStat IV: Chapter 20 - The CrimeStat Regression Module (Part V: Spatial Modeling II). Ned Levine & Associates and the National Institute of Justice, Washington, D.C.

(http://nij.gov/topics/technology/maps/Documents/crimestat-files/CrimeStat%20IV%20Chapter%2020.pdf)

 

•        Lord, D., and B.-J. Park (2013) CrimeStat IV: Appendix C – Negative Binomial Regression Models and Estimation Methods. Ned Levine & Associates and the National Institute of Justice, Washington, D.C.

(http://nij.gov/topics/technology/maps/Documents/crimestat-files/CrimeStat%20IV%20Appendix%20C.pdf)

 

CrimeStat 3.3:

 

•        Levine, N., D. Lord, and B.-J. Park (2010) CrimeStat Version 3.3 Update Notes: Part 2: Regression Modeling. The National Institute of Justice, Washington, D.C. (http://www.icpsr.umich.edu/CrimeStat/)

 

•        Lord, D., and B.-J. Park (2010) Appendix D – Negative Binomial Regression Models and Estimation Methods. In CrimeStat Version 3.3 Update Notes: Part 2: Regression Modeling. The National Institute of Justice, Washington, D.C.

 

Peer-Reviewed Papers

 

 

In preparation

 

•        Paper on a new and innovative method for analyzing crash data.

 

Submitted for publication

 

•        Shaon, M.R.R., X. Qin, A. Shirazi, D. Lord, and S. Geedipally (2017) Development of a Random Parameters Negative Binomial-Lindley Generalized Linear Model to analyze Over-Dispersed Data. Paper submitted to TRB. (latest version updated on Aug 18, 2017)

 

•        Shirazi, M., and D. Lord (2017) Characteristics Based Heuristics to Select a Logical Distribution between the Poisson Gamma and the Poisson Lognormal for Crash Data Modeling. Paper submitted to TRB. (Aug 2, 2017)

 

•        Geedipally, S.R., D. Blower, C. Flannagan, R. Wunderlich, and D. Lord (2017) In-depth Investigation of Factors That Contributed to the Decline in Fatalities from 2008 to 2011 in the United States. Paper submitted to TRB. (Aug 2, 2017)

 

•        Flannagan, C., R. Wunderlich, S.R. Geedipally, D. Lord, and D. Blower (2017) Using crash prediction models that incorporate economic factors for state highway safety planning. Paper to be submitted to TRB. (Aug 2, 2017)

 

•        Khazraee, S.H., V. Johnson, and D. Lord (2017) Bayesian Poisson Hierarchical Models for Crash Data Analysis: Investigating the Impact of Model Choice on Site-Specific Predictions. Paper submitted for publication. (July 24th, 2017)

 

•        Ye, Z., Xu, Y., and D. Lord (2017) Crash Data Modeling with a Generalized Estimator. Paper submitted for publication. (May 24, 2017)

 

•        Ash, J.E., Y. Zou, B.-J. Park, D. Lord, and Y. Wang (2016) Application of Finite Mixture of Negative Binomial Regression Models in Estimating Empirical Bayes Estimates. Paper submitted for publication in a journal (in statistics). Re-revised paper. (May 30, 2016)

 

Published, in Press (forthcoming) or Conference Proceedings

 

•        Geedipally, S.R., M. Pratt, and D. Lord (2017) Effects of Geometry and Pavement Friction on Horizontal Curve Crash Frequency. Journal of Transportation Safety and Security, forthcoming.

 

•        Kuo, P.-F., and D. Lord (2017) Estimating the Safety Impacts in Before-After Studies using the Naοve Adjustment Method. Transportmetrica A: Transport Science, forthcoming. Spreadsheet to calculate the adjusted estimate. (http://dx.doi.org/10.1080/23249935.2017.1352627) (A previous version was presented at the 93rd Annual Meeting of the TRB).

 

•        Shirazi, M., S.S. Dhavala, D. Lord, and S.R. Geedipally (2017) A Methodology to Design Heuristics for Model Selection Based on Characteristics of Data: Application to Investigate When the Negative Binomial Lindley (NB-L) is Preferred Over the Negative Binomial (NB). Accident Analysis & Prevention, forthcoming. (http://dx.doi.org/10.1016/j.aap.2017.07.002)

 

•        Xavier*, C., D. Lord, C. Silvestri Dobrovolny, and R. Bligh (2017) Evaluating the Relevancy of Current Crash Test Guidelines for Roadside Safety Barriers on High Speed Roads. Transportation Research Circular Number E-C220, First International Roadside Safety Conference (June 2017), Transportation Research Board, pp. 452-465. (full peer-reviewed) (http://onlinepubs.trb.org/onlinepubs/circulars/ec220.pdf)

 

•        Wu, L., and D. Lord (2017) Examining the Influence of Link Function Misspecification in Conventional Regression Models for Developing Crash Modification Factors. Accident Analysis & Prevention, Vol. 102, pp. 123-135. (http://dx.doi.org/10.1016/J.aap.2017.02.012)

 

•        Shirazi, M., S.R. Geedipally, and D. Lord (2017) A Monte Carlo Simulation Analysis for Validating the SDF Calibration Methodology and Determining the Sample Size Requirements. Accident Analysis & Prevention, Vol. 98, pp. 303-311. (http://dx.doi.org/10.1016/j.aap.2016.10.004) (Presented at the 96th Annual Meeting of the TRB)

 

•        Wu, L., D. Lord, and S.R. Geedipally (2017) Developing Crash Modification Factors for Horizontal Curves on Rural Two Lane Undivided Highways using a Cross-Sectional Study. Transportation Research Record 2636, pp. 53–61. (http://dx.doi.org/10.3141/2636-07) (Presented at the 96th Annual Meeting of the TRB.)

 

•        Geedipally, S.R., M. Shirazi, and D. Lord (2017) Exploring the Need for Region-Specific Calibration Factors. Transportation Research Record 2636, pp. 73–79. (Presented at the 96th Annual Meeting of the TRB.) (http://dx.doi.org/10.3141/2636-09)

 

•          Park, B-J., D. Lord, and L. Wu (2016) Finite Mixture Modeling Approach for Developing Crash Modification Factors in Highway Safety Analysis. Accident Analysis & Prevention, Vol. 97, pp. 274-287. (http://dx.doi.org/10.1016/j.aap.2016.10.023)

 

•        Mitra, S., S.R. Geedipally, and D. Lord (2016) Safety analysis of urban signalized intersections in Kolkata, India using a combined proactive and reactive approach. Presented at the 96th Annual Meeting of the TRB.

 

•        Shirazi, M., S.R. Geedipally, and D. Lord (2016) A Procedure to Determine When Safety Performance Functions Should Be Recalibrated. Journal of Transportation Safety & Security, Vol. 9, No. 4, pp. 459-467. (DOI: http://dx.doi.org/10.1080/19439962.2016.1240734)

 

•        Shirazi, M., D. Lord, and S.R. Geedipally (2016) Sample-Size Guidelines for Recalibrating Crash Prediction Models: Recommendations for the Highway Safety Manual. Accident Analysis & Prevention, Vol. 93, pp. 160-168. (DOI: http://dx.doi.org/10.1016/j.aap.2016.04.011)

 

•        Shirazi, M., D. Lord, S.S. Dhavala, S.R. Geedipally (2016) A Semiparametric Negative Binomial Generalized Linear Model for Modeling Over Dispersed Count Data with a Heavy Tail: Characteristics and Applications to Crash Data. Accident Analysis & Prevention, Vol. 91, pp. 10-18. (DOI: http://dx.doi.org/10.1016/j.aap.2016.02.020)

 

•          Heydari, S., L. Fu, D. Lord, and B.K. Mallick (2016) Multilevel Dirichlet process mixture analysis of railway grade crossing crash data. Analytic Methods in Accident Research, Vol. 9, pp. 27-43. (A shorter version was submitted for TRB – see below)

 

•        Imprialou, M-I, M. Quddus, D. Pitfield, D. Lord (2016) Re-visiting crash-speed relationships: A new perspective in crash modelling. Accident Analysis & Prevention, Vol. 86, pp. 173–185. (DOI: http://dx.doi.org/10.1016/j.aap.2015.10.001)

 

•        Zha, L., D. Lord, and Y. Zou (2016) The Poisson Inverse Gaussian (PIG) Generalized Linear Regression Model for Analyzing Motor Vehicle Crash Data. Journal of Transportation Safety and Security, Vol. 8, No. 1, pp. 18 - 35. (a previous version was presented at TRB) (DOI: 10.1080/19439962.2014.977502) (http://www.tandfonline.com/doi/abs/10.1080/19439962.2014.977502)

 

•        Zou, Y., K. Henrickson, D. Lord, Y. Wang, and K. Xu (2016) Application of Finite Mixture Models for Analyzing Freeway Incident Clearance Time. Transportmetrica A: Transport Science, Vol. 12, No. 2, pp. 99-115.

 

•        Ash, J.E., Y. Zou, D. Lord, and Y. Wang (2016) Comparison of Confidence and Prediction Intervals for Different Mixed-Poisson Regression Models. Paper presented at the 95th Annual Meeting of the Transportation Research Board.

 

•        Wu, L., and D. Lord (2016) Investigating the Influence of Dependence between Variables on Crash Modification Factors Developed using Regression Models. Paper presented at the 95th Annual Meeting of the Transportation Research Board.

 

•        Heydari, S., L. Fu, D. Lord, and B.K. Mallick (2016) A Flexible Modeling Approach Using Dirichlet Process Mixtures: Application to Municipality-Level Railway Grade Crossing Crash Data. Paper presented at the 95th Annual Meeting of the Transportation Research Board.

 

•        Shirazi, M., D. Lord, and S.R. Geedipally (2016) Sample-Size Guidelines for Recalibrating Crash Prediction Models: Recommendations for the Highway Safety Manual. Paper presented at the 95th Annual Meeting of the Transportation Research Board.

 

•        Lv, J., D. Lord, Y. Zhang, and Z. Chen (2015) Investigating the Peltzman Effects in Adopting Mandatory Seat Belt Laws in the US: Evidence from Non-occupant Fatalities. Transport Policy, Vol. 44, pp. 58-64. (http://dx.doi.org/10.1016/j.tranpol.2015.06.012)

 

•        Wu, L., D. Lord, and Y. Zou (2015) Validation of CMFs Derived from Cross Sectional Studies Using Regression Models. Transportation Research Record 2514, pp. 88–96. (Paper presented at the 94th Annual Meeting of the Transportation Research Board) (Young Research Award – TRB Committee ANB20).

 

•        Vangala, P., D. Lord, and S.R. Geedipally (2015) Exploring the Application of the Negative Binomial-Generalized Exponential Model for Analyzing Traffic Crash Data with Excess Zeros. Analytic Methods in Accident Research, Vol. 7, pp. 29-36. (http://dx.doi.org/10.1016/j.amar.2015.06.001) (Paper presented at the 94th Annual Meeting of the Transportation Research Board, Washington, D.C.)

 

•        Iragavarapu, V., S.H. Khazraee, D. Lord, and K. Fitzpatrick (2015) Pedestrian Fatal Crashes on Freeways in Texas. Paper presented at the 94th Annual Meeting of the Transportation Research Board, Washington, D.C.

 

•        Iragavarapu, V., D. Lord, and K. Fitzpatrick (2015) Analysis of Injury Severity in Pedestrian Crashes using Classification Regression Trees. Paper presented at the 94th Annual Meeting of the Transportation Research Board, Washington, D.C.

 

•        Zou, Y., L. Wu, and D. Lord (2015) Modeling over-dispersed crash data with a long tail: Examining the accuracy of the dispersion parameter in negative binomial models. Analytic Methods in Accident Research, Vol. 5-6, pp. 1-16. (http://dx.doi.org/10.1016/j.amar.2014.12.002)

 

•        Khazraee, S.H., A.J. Saez-Castillo, S.R. Geedipally, and D. Lord (2015) Application of the hyper-Poisson generalized linear model for analyzing motor vehicle crashes. Risk Analysis, Vol. 35, No. 5, pp. 919 – 930. (http://dx.doi.org/10.1111/risa.12296) (Presented at the 93rd Annual Meeting of the TRB)

 

•        Peng, Y., D. Lord, and Y. Zou (2014) Applying the Generalized Waring model for investigating sources of variance in motor vehicle crash analysis. Accident Analysis & Prevention, Vol. 73, pp. 20-26. (http://dx.doi.org/10.1016/j.aap.2014.07.031) (Presented at the 93rd Annual Meeting of the TRB.)

 

•        Park, B.-J., D. Lord, and C. Lee (2014) Finite Mixture Modeling for Vehicle Crash Data with Application to Hotspot Identification. Accident Analysis & Prevention, Vol. 71, pp. 319-326. (http://dx.doi.org/10.1016/j.aap.2014.05.030)

 

•        Flask, T., W. Schneider IV, and D. Lord (2014) A segment level analysis of multi-vehicle motorcycle crashes in Ohio using Bayesian multi-level mixed effects models. Safety Science, Vol. 66, pp. 47-53.  (http://dx.doi.org/10.1016/j.ssci.2013.12.006)

 

•        Zha, L., D. Lord, and Y. Zou (2014) The Poisson Inverse Gaussian (PIG) Generalized Linear Regression Model for Analyzing Motor Vehicle Crash Data. Presented at the 93rd Annual Meeting of the TRB. (see the latest version of the paper above)

 

•        Heydari, S., L.F. MirandaMoreno, L. Fu, and D. Lord (2013) How to specify priors for full Bayes road safety studies? 4th International Conference on Road Safety and Simulation, Rome, Oct. 23rd-25th, 2013.

 

•        Kuo, P.-F., and D. Lord (2014) Estimating the Safety Impacts in Before-After Studies using the Adjusted Method. Presented at the 93rd Annual Meeting of the TRB (working on a revised version of the paper).

 

•        Wu, L., Y. Zou, and D. Lord (2014) Comparison of Sichel and Negative Binomial Models in Hotspot Identification. Transportation Research Record 2460, pp. 107-116. (Presented at the 93rd Annual Meeting of the TRB.)

 

•        Geedipally, S.R., J.A. Bonneson, M.P. Pratt, and D. Lord (2014) Injury Severity Analysis of Crashes on Ramps and at Crossroad Ramp Terminals. Transportation Research Record 2435, pp. 37-44. (Presented at the 93rd Annual Meeting of the TRB.)

 

•        Hawkins, H.G., P.-F. Kuo, and D. Lord (2014) Statistical Analysis of the Traffic Safety Impacts of On-Premise Digital Signs. Presented at the 93rd Annual Meeting of the TRB, Washington, D.C.

 

•        Heydari, S., L.F. Miranda-Moreno, D. Lord, and L. Fu (2013) A Methodology to Estimate and Update SPF Parameters under Limited Data Conditions: A Sensitivity Analysis. Accident Analysis & Prevention, Vol. 64, pp. 41-51. (http://dx.doi.org/10.1016/j.aap.2013.11.001)

                                                                                                                                             

•        Zou, Y., Y. Zhang, and D. Lord (2014) Analyzing Different Functional Forms of the Varying Weight Parameter for Finite Mixture of Negative Binomial Regression Models. Analytic Methods in Accident Research, Vol. 1, pp. 39-52. (http://dx.doi.org/10.1016/j.amar.2013.11.001)

 (Need to upload latest version) (Another version of this paper was presented at TRB in 2012, see below).

 

•        Geedipally, S.R., D. Lord, and S.S. Dhavala (2013) A caution about using the Deviance Information Criterion while modeling traffic crashes. Safety Science, Vol. 62, pp. 495-498. (http://dx.doi.org/10.1016/j.ssci.2013.10.007)

 

•        Zou, Y., S.R. Geedipally, and D. Lord (2013) Evaluating the Double Poisson Generalized Linear Model. Accident Analysis & Prevention, Vol. 59, pp. 497-505. (http://dx.doi.org/10.1016/j.aap.2013.07.017) (Paper presented at the 92nd Annual Meeting of the TRB.)

 

•        Zou, Y., D. Lord, Y. Zhang, and Y. Peng (2014) Application of the Bayesian Model Averaging in Predicting Motor Vehicle Crashes. Journal of Transportation Statistics, Vol. 10, No. 1, pp. 49-60. (Paper presented at the 91st Annual Meeting of the Transportation Research Board, Washington, D.C.) (I put a link directly to the volume on the RITA website) (This paper is not listed on Scopus)

 

•        Ye, F., and D. Lord (2014) Comparing Three Commonly Used Crash Severity Models on Sample Size Requirements: Multinomial Logit, Ordered Probit and Mixed Logit Models. Analytic Methods in Accident Research, Vol. 1, pp. 72-85. (http://dx.doi.org/10.1016/j.amar.2013.03.001) (Paper presented at the 90th Annual Meeting of the TRB.)

 

•        Geedipally, S.R., J.A. Bonneson, M.P. Pratt, and D. Lord (2013) Severity distribution function for freeway segments. Transportation Research Record 2398, pp. 19-27. (Paper presented at the 92nd Annual Meeting of the TRB.)

 

•        Ko, M., D. Lord, and J. Zietsman (2013) Environmental Conscious Highway Design for Vertical Grades. Transportation Research Record 2341, pp. 53-65. (Paper presented at the 92nd Annual Meeting of the TRB.)

 

•        Zou, Y., D. Lord, and Y. Zhang (2013) Comparison of Sichel and Negative Binomial Models in Estimating Empirical Bayes Estimates. Transportation Research Record 2392, pp. 11-21. Paper presented at the 92nd Annual Meeting of the TRB.

 

•        Kuo, P.-F., and D. Lord (2013) Accounting for Site-Selection Bias in Before-After Studies for Continuous Distributions: Characteristics and Application Using Speed Data. Transportation Research - Part A, Vol. 49, pp. 256-269. (http://dx.doi.org/doi:10.1016/j.tra.2013.01.023) (Paper presented at the 91st Annual Meeting of the Transportation Research Board) 

 

•        Ye, Z., Y. Zhang, and D. Lord (2013) Goodness-of-fit testing for accident models with low means. Accident Analysis & Prevention, Vol. 61, pp. 78-86. (http://dx.doi.org/doi:10.1016/j.aap.2012.11.007) (Presented at the 3rd International Conference on Road Safety and Simulation, September 14-16, 2011, Indianapolis, USA.)

 

•        Kuo, P.-F., D. Lord, and T.D. Walden (2013) Using Geographical Information Systems to Organize Police Patrol Routes Effectively by Grouping Hot Spots of Crash and Crime Data. Journal of Transport Geography, Vol. 30 (June), pp. 138-148. (http://dx.doi.org/10.1016/j.jtrangeo.2013.04.006) (Presented at the 3rd International Conference on Road Safety and Simulation, September 14-16, 2011, Indianapolis, USA.)

 

•        Zou, Y., Y. Zhang, D. Lord, and Y. Peng (2012) Analyzing Different Functional Forms of the Varying Weight Parameter for Finite Mixture of Negative Binomial Regression Models. Paper presented at the 92nd Annual Meeting of the TRB. (another version of the paper that was published in AMAR can be found above)

                                                                                                                          

•        Kuo, P.-F., Zeng, X., and D. Lord (2012) Guidelines for Choosing Hot-Spot Analysis Tools on Data Characteristics, Network Restrictions, and Time Distributions. Paper presented at the 91st Annual Meeting of the Transportation Research Board.

 

•        Zou, Y., Y. Zhang, and D. Lord (2012) Application of finite mixture of negative binomial regression models with varying weight parameters for vehicle crash data analysis. Accident Analysis & Prevention, Vol. 50, pp. 1042-1051. (http://dx.doi.org/doi:10.1016/j.aap.2012.08.004)

 

•        Cheng, L., S.R. Geedipally, and D. Lord (2013) Examining the Poisson-Weibull Generalized Linear Model for Analyzing Crash Data. Safety Science, Vol. 54, pp. 38-42. (http://dx.doi.org/10.1016/j.ssci.2012.11.002) (Paper presented at the 91st Annual Meeting of the Transportation Research Board.)

 

•        Vieira Gomes, S., S.R. Geedipally, and D. Lord (2012) Estimating the Safety Performance of Urban Intersections in Lisbon, Portugal. Safety Science, Vol. 50, No. 9, pp. 1732-1739. (http://dx.doi.org/10.1016/j.ssci.2012.03.022)

 

•        Iragavarapu, I., and D. Lord (2011) Examining potential factors affecting the safety performance and design of exclusive truck facilities. Presented at the 1st Conference of Transportation Research Group (TRG) of India to be held in Bangalore India from December 7-10, 2011. (paper considered for publication – still waiting)

 

•        Lord, D., and P-F. Kuo (2012) Examining the Effects of Site Selection Criteria for Evaluating the Effectiveness of Traffic Safety Improvement Countermeasures. Accident Analysis & Prevention, Vol. 47, pp. 52-63. (http://dx.doi.org/10.1016/j.aap.2011.12.008) (Paper presented at the 90th Annual Meeting of the TRB.)

 

•        Howson, J.E., D. Lord, and D. Lance Bullard (2012) The Effect of Driver Height on the Death Rate in Single-Vehicle Rollover Accidents. Paper presented at the 91st Annual Meeting of the Transportation Research Board, Washington, D.C.

 

•        Peng, Y., S.R. Geedipally, and D. Lord (2012) Investigating the Effect of Roadside features on Single-Vehicle Roadway Departure Crashes on Rural Two-Lane Roads. Transportation Research Record 2759, pp. 21-29. (Paper presented at the 91st Annual Meeting of the Transportation Research Board.)

 

•        Zou, Y., D. Lord, and S.R. Geedipally (2012) Over- and Under-Dispersed Crash Data: Comparing the Conway-Maxwell-Poisson and Double-Poisson Distributions. Paper presented at the 91st Annual Meeting of the Transportation Research Board, Washington, D.C.

 

•        Ye, F., T.P. Garcia, M. Pourahmadi, and D. Lord (2012) Extension of a Negative Binomial GARCH Model: Analyzing  the Effects of Gasoline Price on Fatal Crashes in Texas. Transportation Research Record 2279, pp. 31-39. (Paper presented at the 91st Annual Meeting of the Transportation Research Board. (Accepted for publication in a TRR)

 

•        Ko, M., D. Lord, and J. Zietsman (2012) Environmental Conscious Highway Design for Vertical Crest Curves. Transportation Research Record 2270, pp. 96-106. (Paper presented at the 91st Annual Meeting of the Transportation Research Board)

 

•        Patil, S., S.R. Geedipally, and D. Lord (2012) Analysis of Crash Severities using Nested Logit Model- Accounting for the Underreporting of Crash Data. Accident Analysis & Prevention, Vol. 45, pp. 646-653.   (http://dx.doi.org/doi:10.1016/j.aap.2011.09.034)

 

•        Geedipally, S.R., D. Lord, S.S. Dhavala (2012) The Negative Binomial-Lindley Generalized Linear Model: Characteristics and Application using Crash Data. Accident Analysis & Prevention, Vol. 45, No. 2, pp. 258-265. (http://dx.doi.org/doi:10.1016/j.aap.2011.07.012)

 

•        Lord, D., and S. Guikema (2012) The Conway-Maxwell-Poisson Model for Analyzing Crash Data (Discussion of “The COM-Poisson Model for Count Data: A Survey of Methods and Applications” by Sellers, K., Borle, S., and Shmueli, G.”) Discussion paper prepared (by request) for Applied Stochastic Models in Business and Industry, 28 (2), pp. 122-127. (This paper was peer-reviewed) (http://dx.doi.org/doi:10.1002/asmb.937)

 

•        Francis, R.A., S.R. Geedipally, S.D. Guikema, S.S. Dhavala, D. Lord, and S. Larocca (2011) Characterizing the Performance of the Conway-Maxwell-Poisson Generalized Linear Model. Risk Analysis, Vol. 32, No.1, pp. 167-183. (http://dx.doi.org/doi:10.1111/j.1539-6924.2011.01659.x)

 

•        Lord, D., and S.R. Geedipally (2011) The Negative BinomialLindley Distribution as a Tool for Analyzing Crash Data Characterized by a Large Amount of Zeros. Accident Analysis & Prevention, Vol. 43, No. 5, pp. 1738-1742. (http://dx.doi.org/doi:10.1016/j.aap.2011.04.004)

 

•        Savolainen, P.T., F.L. Mannering, D. Lord, and M.A. Quddus (2011) The Statistical Analysis of Highway Crash-Injury Severities: A Review and Assessment of Methodological Alternatives. Accident Analysis & Prevention, Vol. 43, No. 5, pp. 1666-1676. (http://dx.doi.org/10.1016/j.aap.2011.03.025)

 

•        Peng, Y., and D. Lord (2011) Applying the latent class growth model into a longitudinal analysis of traffic crashes. Transportation Research Record 2236, pp. 102-109. (Paper presented at the 90th Annual Meeting of the TRB.)

 

•        Geedipally, S.R., D. Lord, and G.R.S. Reddy (2011) Evaluating TxDOT’S Safety Improvement Index: a Prioritization Tool. Transportation Research Record 2241, pp. 39-50.

•        Ye, F., and D. Lord (2011) Investigating the Effects of Underreporting of Crash Data on Three Commonly Used Traffic Crash Severity Models: Multinomial Logit, Ordered Probit and Mixed Logit Models. Transportation Research Record 2241, pp. 51-58.

 

•        Geedipally, S.R., and D. Lord (2011) Examining the Crash Variances Estimated by the Poisson-Gamma and Conway-Maxwell-Poisson Models. Transportation Research Record 2241, pp. 59-67.

 

•        Stamadiasdis, N., D. Lord, J. Pigman, J. Sacksteder, and W. Ruff (2011) Safety Impacts of Design Element Trade-Offs. ASCE Journal of Transportation Engineering, Vol. 137, No. 5, pp. 333-340. (http://dx.doi.org/10.1061/(ASCE)TE.1943-5436.0000221)

 

•        Ye, Z., D. Veneziano, and D. Lord (2011) Safety Impact of Gateway Monuments. Accident Analysis & Prevention, Vol. 43, No., 1, pp. 290-300. (http://dx.doi.org/10.1016/j.aap.2010.08.027)

 

•        Chanam, L., K. Meghan Wieters, C. Giusti, and D. Lord (2010) The Environment and Obesity among Latino Adults: A case study exploring the roles of environments in promoting physical activity and reducing obesity among colonia residents. Paper presented at the “Obesity Research Workshop” by the Inter-University Program for Latino Research, held at the University of Notre Dame, July 26-28, 2010. (by invitation) (received an award from the “Latino Overweight and Obesity Education Awareness and Prevention Initiative”)

 

•        Li, Xiugang, D. Lord, and Y. Zhang (2010) Development of Accident Modification Factors for Rural Frontage Road Segments in Texas Using Results from Generalized Additive Models. ASCE Journal of Transportation Engineering, Vol. 42, No. 4, pp. 74-83. (http://dx.doi.org/10.1061/(ASCE)TE.1943-5436.0000202)

 

•        Lord, D., S.R. Geedipally, and S. Guikema (2010) Extension of the Application of Conway-Maxwell-Poisson Models: Analyzing Traffic Crash Data Exhibiting Under-Dispersion. Risk Analysis, Vol. 30, No. 8, pp. 1268-1276. (http://dx.doi.org/10.1111/j.1539-6924.2010.01417.x)

 

•        Lord, D., and F. Mannering (2010) The Statistical Analysis of Crash-Frequency Data: A Review and Assessment of Methodological Alternatives. Transportation Research - Part A, Vol. 44, No. 5, pp. 291-305. (http://dx.doi.org/10.1016/j.tra.2010.02.001)

 

•        Geedipally, S.R., and D. Lord (2010) Investigating the Effect of Modeling Single-Vehicle and Multi-Vehicle Crashes Separately on Confidence Intervals of Poisson-gamma Models. Accident Analysis & Prevention, Vol. 42, No. 4, pp. 1273-1282. (http://dx.doi.org/10.1016/j.aap.2010.02.004)

 

•        Fitzpatrick, K., D. Lord, and B.-J. Park (2010) Horizontal Curve Accident Modification Factors with Consideration of Driveway Density on Rural, Four-Lane Highways in Texas. ASCE Journal of Transportation Engineering, Vol. 136, No. 9, pp. 827-835. (http://dx.doi.org/10.1061/(ASCE)TE.1943-5436.0000145) (Paper presented at the 88th Annual Meeting to the Transportation Research Board, Washington, D.C.)

 

•        Park, B.-J., Y. Zhang, and D. Lord (2010) Bayesian Mixture Modeling Approach to Account for Heterogeneity in Speed Data. Transportation Research - Part B, Vol. 44B, No. 5, pp. 662-673. (http://dx.doi.org/10.1016/j.trb.2010.02.004)  

 

•        Ko, M., L.L. Higgins, S.T. Chrysler, and D. Lord (2010) Effect of Driving Environment on Drivers’ Eye Movements. Presented at the 89th Annual Meeting of the Transportation Research Board, Washington, D.C. This paper was written as a term paper in CVEN 626.

 

•        Park, P.Y., and D. Lord (2010) Investigating Regression-to-the-Mean in Before-and-After Speed Data Analysis. Transportation Research Record 2165, pp. 52-58.

 

•        Geedipally, S.R., S. Patil, and D. Lord (2010) Examination of Methods for Estimating Crash Counts According to their Collision Type. Transportation Research Record 2165, pp. 12-20.

 

•        Park, B.-J., K. Fitzpatrick, and D. Lord (2010) Evaluating the Effects of Freeway Design Elements on Safety. Transportation Research Record 2195, pp. 58-69.

 

•        Geedipally, S.R., and D. Lord (2010) Hot Spot Identification by Modeling Single-Vehicle and Multi-Vehicle Crash Separately. Transportation Research Record 2147, pp. 97-103.

 

•        Lord, D., P.-F. Kuo, and S.R. Geedipally (2010) Comparing the Application of the Product of Baseline Models and Accident Modification Factors and Models with Covariates: Predicted Mean Values and Variance. Transportation Research Record 2147, pp. 113-122.

 

•        Park, B.-J., D. Lord, and J. Hart (2010) Bias Properties of Bayesian Statistics in Finite Mixture of Negative Regression Models for Crash Data Analysis. Accident Analysis & Prevention, Vol. 42, No. 2, pp. 741-749. (http://dx.doi.org/10.1016/j.aap.2009.11.002)  (Presented at the 89th Annual Meeting of the Transportation Research Board, Washington, D.C.)

 

•        Washington, S.P., D. lord, and B. Persaud (2009) The Use of Expert Panels in Highway Safety: A Critique. Transportation Research Record 2102, pp. 101-107. (Paper at the 88th Annual Meeting to the Transportation Research Board, Washington, D.C.)

 

•        Miranda-Moreno, L., L. Fu, S. Ukkusuri, and D. Lord (2009) How to Incorporate Accident Severity and Vehicle Occupancy into the Hotspot Identification Process? Transportation Research Record 2102, pp. 53-60. (Paper at the 88th Annual Meeting to the Transportation Research Board, Washington, D.C.)

 

•        Ye, Z., and D. Lord (2009) Estimating the Variance in Before-After Studies. Journal of Safety Research, Vol. 40, No. 4, pp. 257-263. (http://dx.doi.org/10.1016/j.jsr.2009.04.004)   (Presented at the 86th Annual Meeting of the TRB.)  This paper was written as a term paper in CVEN 626.

 

•        Jonsson, T., C. Lyon, J.N. Ivan, S. Washington, I. van Schalkwyk, and D. Lord (2009) Investigating Differences in the Performance of Safety Performance Functions Estimated for Total Crash Count and Crash Count by Crash Type. Transportation Research Record 2102, pp. 115-123. (Paper presented at the 88th Annual Meeting to the Transportation Research Board, Washington, D.C.)

 

•        Park, B.-J., and D. Lord (2009) Application of Finite Mixture Models for Vehicle Crash Data Analysis. Accident Analysis & Prevention, Vol. 41, No. 4, pp. 683-691. (http://dx.doi.org/10.1016/j.aap.2009.03.007)   (Paper presented at the 88th Annual Meeting to the Transportation Research Board, Washington, D.C.)

 

•        Geedipally, S.R., D. Lord, and B.-J. Park (2009) Analyzing Different Parameterizations of the Varying Dispersion Parameter as a Function of Segment Length. Transportation Research Record 2103, pp. 108-118. (Paper at the 88th Annual Meeting to the Transportation Research Board, Washington, D.C.) (2009 Young Researchers Award ANB20)

 

•        Lord, D., and M. Mahlawat (2009) Examining the Application of Aggregated and Disaggregated Poisson-gamma Models Subjected to Low Sample Mean Bias. Transportation Research Record 2136, pp. 1-10. This paper was written as a term paper in CVEN 626.

 

•        Miranda-Moreno, L., D. Lord, and L. Fu (2009) Bayesian road safety analysis: incorporation of past experiences and effect of hyper-prior choice. Presented at the 87th Annual Meeting of the Transportation Research Board. *Revised version April 27, 2009.

 

•        Zietsman, J., B. Gokhale, D. Lord, and E. Bari (2008) Feasibility of Landfill Gas as a Liquefied Natural Gas Fuel Source for Refuse Trucks. Journal of the Air & Waste Management Association, Vol. 58, No. 5, pp. 613-619. (a rare paper not in highway safety) (http://dx.doi.org/10.3155/1047-3289.58.5.613)

 

•        Geedipally S., S.D. Guikema, S. Dhavala, and D. Lord (2008) Characterizing the Performance of a Bayesian Conway-Maxwell Poisson GLM. A paper was presented at the 2008 Joint Statistical Meetings, Denver, Co, August 3-7, 2008.

 

•        Lord, D., S.D. Guikema, and S. Geedipally (2008) Application of the Conway-Maxwell-Poisson Generalized Linear Model for Analyzing Motor Vehicle Crashes. Accident Analysis & Prevention, Vol. 40, No. 3, pp. 1123-1134. (doi:10.1016/j.aap.2007.12.003)

 

•        Lord, D. (2008) Methodology for Estimating the Variance and Confidence Intervals of the Estimate of the Product of Baseline Models and AMFs. Accident Analysis & Prevention, Vol. 40, No. 3, pp. 1013-1017. (doi:10.1016/j.aap.2007.11.008)

 

•        Li, X., D. Lord, Y. Zhang, and Y. Xie (2008) Predicting Motor Vehicle Crashes using Support Vector Machine Models. Accident Analysis & Prevention, Vol. 40, No. 4, pp. 1611-1618. (doi:10.1016/j.aap.2008.04.010 (Presented at the 87th Annual Meeting of the Transportation Research Board.) This paper was written as a term paper in CVEN 626.

 

•        Park, B.-J., and D. Lord (2008) Adjustment for the Maximum Likelihood Estimate of the Negative Binomial Dispersion Parameter. Transportation Research Record 2061, pp. 9-19. (Presented at the 87th Annual Meeting of the Transportation Research Board.) This paper was written as a term paper in CVEN 626.

 

•        Fitzpatrick, K., D. Lord, and B.-J. Park (2008) Accident Modification Factors for Medians on Freeways and Multilane Highways. Transportation Research Record 2083, pp. 62-71. (Presented at the 87th Annual Meeting of the Transportation Research Board.)

 

•        Geedipally, S.R. and D. Lord (2008) Effects of the Varying Dispersion Parameter of Poisson-gamma models on the Estimation of Confidence Intervals of Crash Prediction models. Transportation Research Record 2061, pp.46-54 (Presented at the 87th Annual Meeting of the Transportation Research Board.) This paper was written as a term paper in CVEN 626.

 

•        Lord, D., and P.Y-J. Park (2008) Investigating the effects of the fixed and varying dispersion parameters of Poisson-gamma models on empirical Bayes estimates. Accident Analysis & Prevention, Vol. 40, No. 4, pp. 1441-1457. (doi:10.1016/j.aap.2008.03.014)

 

•        Lord, D., and L.F. Miranda-Moreno (2008) Effects of Low Sample Mean Values and Small Sample Size on the Estimation of the Fixed Dispersion Parameter of Poisson-gamma Models for Modeling Motor Vehicle Crashes: A Bayesian Perspective. Safety Science, Vol. 46, No. 5, pp. 751-770.

 

•        Tong, J., and D. Lord (2007) Investigating the Application of Beta-Binomial Models in Highway Safety. Presented at the Canadian Multidisciplinary Road Safety Conference XVII, Montreal, June 3-8, 2007. This paper was written as a term paper in CVEN 626.

 

•        Gokhale B., J. Zietsman, and D. Lord (2007) Landfill Gas as a Liquefied Natural Gas Fuel Source for Refuse Trucks. Paper presented at the AWMA 100th Annual Conference and Exhibition, Pittsburgh, PA. (A revised version of this paper is available above)

 

•        Zhang, Y., Z. Ye, and D. Lord (2007) Estimating the Dispersion Parameter of the Negative Binomial Distribution for Analyzing Crash Data Using a Bootstrapped Maximum Likelihood Method. Transportation Research Record 2019, pp. 15-21.

 

•        Park, E.S., and D. Lord (2007) Multivariate Poisson-Lognormal Models for Jointly Modeling Crash Frequency by Severity. Transportation Research Record 2019, pp. 1-6.

 

•        Lord, D., and J.A. Bonneson (2007) Development of Accident Modification Factors for Rural Frontage Road Segments in Texas. Transportation Research Record 2023, pp. 20-27.

 

•        Xie, Y., D. Lord, and Y. Zhang (2007) Predicting Motor Vehicle Collisions using Bayesian Neural Networks: An Empirical Analysis. Accident Analysis & Prevention, Vol. 39, No. 5, pp. 922-933. (doi:10.1016/j.aap.2006.12.014) (Presented at the 86th Annual Meeting of the TRB) This paper was written as a term paper in CVEN 626.

 

•        van Schalkwyk, I., D. Lord, S. Chrysler, and L. Staplin (2007) Older Drivers and Roundabouts – Assessing Traffic Control Feature Characteristics Through the Use of Focus Groups and Structured Interviews. Presented at the 86th Annual Meeting of the TRB.

 

•        Lord, D., I. van Schalkwyk, S. Chrysler, and L. Staplin (2007) A Strategy to Reduce Older Driver Injuries at Intersections Using More Accommodating Roundabout Design Practices. Accident Analysis & Prevention, Vol. 39, No. 3, pp. 427-432. (doi:10.1016/j.aap.2006.09.011) You can find the original draft of the paper here. We kept the original version since the revised version focuses on the Phase II of the project.

 

•        Lord, D., S.P. Washington, and J.N. Ivan (2007) Further Notes on the Application of Zero Inflated Models in Highway Safety. Accident Analysis & Prevention, Vol. 39, No. 1, pp. 53-57. (doi:10.1016/j.aap.2006.06.004)

 

•        Whitacre, J.A., and D. Lord (2006) A Look at the Zero Tolerance Law in Texas. Paper presented at the Canadian Multidisciplinary Road Safety Conference XVI, Winnipeg, June 11-16, 2006. This paper was written as a term paper in CVEN 626.

 

•        Lord, D. (2006) Modeling Motor Vehicle Crashes using Poisson-gamma Models: Examining the Effects of Low Sample Mean Values and Small Sample Size on the Estimation of the Fixed Dispersion Parameter. Accident Analysis & Prevention, Vol. 38, No. 4, pp. 751-766. (doi:10.1016/j.aap.2006.02.001 (Presented at the 85th Annual Meeting of the TRB)

 

•        Agrawal, R., and D. Lord (2006) Effects of Sample Size on the Goodness-of-fit Statistic and Confidence Intervals of Crash Prediction Models Subjected to low Sample Mean Values. Transportation Research Record 1950, pp. 35-43. (Award Winning Paper – TRB Committee ABJ80) This paper was written as a term paper in CVEN 626.

 

•        Lord, D., and J.A. Bonneson (2006) Role and Application of Accident Modification Factors (AMFs) within the Highway Design Process. Transportation Research Record 1961, pp. 65-73.

 

•        Stevens, C.R. and D. Lord (2006) Evaluating the Safety Effects of Daylight Saving Time on Fatal and Non-Fatal Injury Crashes in Texas. Transportation Research Record 1953, pp. 147-155.

 

•        Brewer, M.A., K. Fitzpatrick, J.A. Whitaker, and D. Lord (2006) Exploration of Pedestrian Gap Acceptance Behavior at Selected Locations. Transportation Research Record 1982, pp. 132-140.

 

•        Middleton, D.A., and D. Lord (2006) Safety and Operational Aspects of Exclusive Truck Facilities. Paper presented at the 2005 International Truck and Bus Safety and Security Symposium, Alexandria, VA.

 

•        Miaou, S.-P., R.P. Bligh, and D. Lord (2005) Developing Median Barrier Installation Guidelines: A Benefit/Cost Analysis using Texas Data. Transportation Research Record 1904, pp. 3-19.

 

•        Lord, D., D. Middleton, and J. Whitacre (2005) Does Separating Trucks from Other Traffic Improve Safety? Transportation Research Record 1922, pp 156-166.

 

•        Lord, D., and J.A. Bonneson (2005) Calibration of Predictive Models for Estimating the Safety of Ramp Design Configurations. Transportation Research Record 1908, pp. 88-95.

 

•        Lord, D., S.P. Washington, and J.N. Ivan (2005) Poisson, Poisson-Gamma and Zero Inflated Regression Models of Motor Vehicle Crashes: Balancing Statistical Fit and Theory. Accident Analysis & Prevention. Vol. 37, No. 1, pp. 35-46. (doi:10.1016/j.aap.2004.02.004 (Also presented at the 83rd Annual Meeting of the TRB) The full paper can be found here.

 

•        Lord, D., A. Manar, and A. Vizioli (2005) Modeling Crash-Flow-Density and Crash-Flow-V/C Ratio for Rural and Urban Freeway Segments. Accident Analysis & Prevention. Vol. 37, No. 1, pp. 185-199. (doi:10.1016/j.aap.2004.07.003) (Also presented at the 83 rd Annual Meeting of the TRB)

 

Please note that I corrected Figure 3 for the version available here. Unfortunately, Figures 2 and 3 were duplicated in the original published document. A Erratum has been published in AA&P: Erratum to “Modeling crash-flow-density and crash-flow-V/C ratio relationships for rural and urban freeway segments” [Accid. Anal. Prev. 37 (2005) 185–199] (doi:10.1016/j.aap.2005.10.011)

 

•        Lord, D., and B.N. Persaud (2004) Estimating the Safety Performance of Urban Transportation Networks. Accident Analysis & Prevention. Vol. 36, No. 2, pp. 609-620. (doi:10.1016/S0001-4575(03)00069-1)

 

•        Lord, D., H.A. Abdou, A. N'Zuι, G. Dionne , and C. Laberge-Nadeau (2003) Traffic Safety Diagnostic and Application of Countermeasures for Rural Roads in Burkina Faso. Transportation Research Record 1846, pp. 39-43. The full report can be found here.

 

•        Miaou, S.-P., and D. Lord (2003) Modeling Traffic-Flow Relationships at Signalized Intersections: Dispersion Parameter, Functional Form and Bayes vs Empirical Bayes. Transportation Research Record 1840, pp. 31-40.

 

•        Persaud, B.N., H. McGee, C. Lyon, and D. Lord (2003) Development of a Procedure for Estimating the Safety Effects for a Contemplated Traffic Signal Installation. Transportation Research Record 1840, pp. 96-103.

 

•        Thouez, J.P., D. Lord, J. Bergeron, R. Boudreau, Y. Buissiθre, H. Bιlanger-Bonneau, A. Rannou, and M.E. Latremouille (2003) Physical and environmental characteristics of signalized intersections and pedestrian behavior. Advances in Transport, Vol. 14, No 1, pp. 143-148. (I do not have a copy of the paper)

 

•        Lord, D. (2002) Issues Related to the Application of Accident Prediction Models for the Computation of Accident Risk on Transportation Networks. Transportation Research Record 1784, pp. 17-26.

 

•        Persaud, B.N., D. Lord, and J. Palminaso (2002) Issues of Calibration and Transferability in Developing Accident Prediction Models for Urban Intersections. Transportation Research Record 1784, pp. 57-64.

 

•        Lord, D. (2003) Synthesis on the Safety of Right Turn on Red in the United States and Canada. Paper presented at 82nd Annual Meeting of the TRB. National Research Council, Washington, D.C. Note: This paper was turned down for publication due to an idiot working at the City of Philadelphia.

 

•        Persaud B.N., R. Retting, P.Garder and D. Lord (2001) Observational before-after study of U.S. roundabout conversions using the empirical Bayes method. Transportation Research Record 1751, pp. 1-8.

 

•        Lord, D., and B.N. Persaud (2000) Accident Prediction Models With and Without Trend: Application of the Generalized Estimating Equations (GEE) Procedure. Transportation Research Record 1717, pp. 102-108.

 

 

Working Papers

 

•        Zou, Y., D. Lord, and Y. Zhang (2012) Analyzing Highly Dispersed Crash Data Using the Sichel Generalized Additive Models for Location, Scale and Shape. Paper may be submitted for publication. *Dec 5, 2011

 

•        Geedipally, S.R., D. Lord and C. Eugene Buth (2011) Estimating the Crash Risk involving Heavy Vehicles and Bridge Piers. Working Paper.

 

•        Lord, D., and B.-J. Park (2009) Including Statistical Power for Determining How Many Crashes Are Needed in Highway Safety Studies. Working Paper (not submitted for publication).

 

•        Lord, D., B. Persaud, S.P. Washington, J. Ivan, I. van Schalkwyk, C. Lyon and S.R. Geedipally (2008) Application of the Predictive Methodology for Estimating the Safety Performance of Multilane Rural Highways: Improvement of an Existing Highway. Working Paper. This paper was eventually not submitted for TRB, since the HSM is not yet published. It was put here because it could still be very useful for some readers. *August 4, 2008

 

 

Ph.D. Dissertation

 

•        Lord, D. (2000) The Prediction of Accidents on Digital Networks: Characteristics and Issues Related to the Application of Accident Prediction Models. Ph.D. Dissertation. Department of Civil Engineering, University of Toronto, Toronto, Ontario.

 

 

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Relevant Links

 

CE Web Site: http://engineering.tamu.edu/civil/

TTI Web Site: http://tti.tamu.edu

CTS Web Site: http://tti.tamu.edu/cts

 

Highway Safety Manual: www.highwaysafetymanual.org

Safety Analyst: www.safetyanalyst.org

IHSDM: http://www.ihsdm.org/ihsdm_public/index.html

 

My undergraduate studies: http://www.mcgill.ca/civil/

My graduate Studies: http://civil.engineering.utoronto.ca/research/transportation/

Dr. Bhagwant N. Persaud (Ph.D. co-advisor): http://www.ryerson.ca/civil/FacStaff/Faculty/bpersaud2/

 

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