Publications

Title Author Year Publication type
Bicycle Commuting Market Analysis Using Attitudinal Market Segmentation Approach Li, Zhibin; Wang, Wei; Yang, Chen; Ragland, David R. 2012 Journal Article
Automated Assessment of Safety-Critical Dynamics in Multi-modal Transportation Systems Medury, Aditya; Yu, Mengqiao; Bourdais, Cedric; Grembek, Offer 2016 Technical Report
Attribution of functional limitation to cancer decreases in the year following breast cancer diagnosis in older patients Sehl, Mary E.; Satariano, William A.; Ragland, David R.; Reuben, David B.; Naeim, Arash 2008 Journal Article
Attributable risk of alcohol and other drugs for crashes in the transit industry Cunradi, Carol B.; Ragland, David R.; Greiner, Birgit A.; Klein, M.; Fisher, June M. 2005 Journal Article
Associations between Road Network Structure and Pedestrian-Bicyclist Accidents Zhang, Yuanyuan; Bigham, John M.; Li, Zhibin; Ragland, David R.; Chen, Xiaohong 2012 Conference Paper
Association between Roadway Intersection Characteristics and Pedestrian Crash Risk in Alameda County, California Schneider, Robert J.; Diogenes, Mara Chagas; Arnold, Lindsay S.; Attaset, Vanvisa; Griswold, Julia B.; Ragland, David R. 2010 Conference Paper
Applying Safety Treatments To Rail-Highway At-Grade Crossings Cooper, Douglas L.; Ragland, David R. 2012 Technical Report
Applying Safety Improvements to Fleet Vehicles Cooper, Douglas L.; Sharafsaleh, Mohammad A.; Ragland, David R.; Begley, Loida; Kim, Yong Hee; Jin, Eui Jae 2007 Technical Report
Analysis of Wet Weather Related Collision Concentration Locations: Empirical Assessment of Continuous Risk Profile Oh, Soonmi; Chung, Koohong; Ragland, David R.; Chan, Ching-Yao 2009 Conference Paper
An Intensive Pedestrian Safety Engineering Study Using Computerized Crash Analysis Ragland, David R.; Markowitz, Frank; MacLeod, Kara E. 2003 Technical Report
An Early Analysis of Speed Safety Camera Program Rollout in California Kyler Blodgett 2025 Research Brief
Alcohol, Stress-Related Factors, and Short-Term Absenteeism Among Urban Transit Operators Cunradi, Carol B.; Greiner, Birgit A.; Ragland, David R.; Fisher, June M. 2005 Journal Article
Alcohol Consumption and Incidence of Workers' Compensation Claims: A 5-Year Prospective Study of Urban Transit Operators Ragland, David R.; Krause, Niklas; Greiner, Birgit A.; Holman, Barbara L.; Fisher, June M.; Cunradi, Carol B. 2002 Journal Article
Airports and Bicycles: what are the obstacles and incentives for operators to improve bicycle access? Orrick, Phyllis; Frick, Karen Trapenberg 2013 Technical Report
Advancing Youth Helmet Adoption Through Community-Based Programming Melie Ekunno; Lilette Gorostieta; Kris Leckie 2025 Research Brief
Addressing Inappropriate Driver Behavior at Rail-Highway Crossings Cooper, Douglas L.; Ragland, David R. 2008 Conference Paper
Acceptance of drinking and driving and alcohol-involved driving crashes in California MacLeod, Kara E.; Karriker-Jaffe, Katherine J.; Ragland, David R.; Satariano, William A.; Kelley-Baker, Tara; Lacey, John H. 2015 Journal Article
A Review of ITS-Based Pedestrian Injury Countermeasures Bechtel, Allyson K.; Geyer, Judy A.; Ragland, David R. 2003 Technical Report
A Pilot Model for Estimating Pedestrian Intersection Crossing Volumes Schneider, Robert J.; Arnold, Lindsay S.; Ragland, David R. 2009 Conference Paper
A Pedestrian Exposure Model for the California State Highway System Griswold, Julia B.; Medury, Aditya; Schneider, Robert J.; Amos, Dave; Li, Ang; Grembek, Offer 2019 Journal Article
A Multidimensional Clustering Algorithm for Studying Fatal Road Crashes Fishbain, Barak; Grembek, Offer 2014 Journal Article
A Methodology of Quantifying Precipitation Exposure for Wet-Weather Collisions and Evaluating Effectiveness of Open-Grade Asphalt Concrete as a CountermeasureWeather-related crashes represent a significant concern in roadway safety. Chan, Ching-Yao; Jin, Eui-Jae; Oh, Soon Mi; Ragland, David R. 2010 Conference Paper
A Methodology for Counting Pedestrians at Intersections: Using Automated Counters to Extrapolate Weekly Volumes from Short Manual Counts Schneider, Robert J.; Arnold, Lindsay S.; Ragland, David R. 2009 Journal Article
A Dynamic Congestion Pricing Strategy for High-Occupancy Toll Lanes Jang, Kitae; Chung, Koohong 2010 Conference Paper
A Database for Active Transportation Infrastructure and Volume Proulx, Frank R.; Zhang, Yuanyuan; Grembek, Offer 2014 Conference Paper
A context-sensitive roadway classification framework for speed limit setting in the US Cheng-Kai Hsu; Melody Tsao; Julia B. Griswold; Robert J. Schneider; John M. Bigham 2025 Research Report
A Comparative Safety Study of Limited versus Continuous Access High Occupancy Vehicle (HOV) Facilities Jang, Kitae; Ragland, David R.; Chan, Ching-Yao 2009 Technical Report
A Comparative Analysis of Pedestrian and Bicyclist Safety Around University Campuses Grembek, Offer; Medury, Aditya; Orrick, Phyllis; Leung, Katherine; Ragland, David R.; Loukaitou-Sideris, Anastasia; Resnick, Justin; Wong, Norman; Shafizadeh, Kevan; Khan, Ghazan 2014 Technical Report
A behavioral modeling approach to bicycle level of service Griswold, Julia B.; Yu, Mengqiao; Victoria Filingeri; Grembek, Offer; Joan Walker 2018 Journal Article
A 3D Computer Simulation Test of the Leibowitz Hypothesis Barton, Joseph E.; Cohn, Theodore E. 2007 Conference Paper
2025 California Traffic Safety Survey Summary Lisa Peterson; Karen Nguyen Vo 2025 Fact Sheet
2024 CPBSP Highlights UC Berkeley SafeTREC 2024 Research Highlight
2024 California Traffic Safety Survey Summary Lisa Peterson; Karen Nguyen Vo 2024 Fact Sheet
2023 CPBSP Annual Report Chen, Katherine L. 2024 Research Highlight
2023 California Traffic Safety Study Summary Jill F. Cooper; UC Berkeley SafeTREC 2023 Technical Report
2022 Statewide Traffic Safety Survey Summary Cooper, Jill F. 2022 Technical Report
2022 SafeTREC Traffic Safety Fact Sheet: Speed-Related Crashes Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Pedestrian Safety Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Occupant Protection Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Motorcycle Safety Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Emergency Medical Services Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Drug-Involved Driving Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Distracted Driving Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Bicycle Safety Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Alcohol-Impaired Driving Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2022 SafeTREC Traffic Safety Fact Sheet: Aging Road Users Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2022 Fact Sheet
2021 SafeTREC Traffic Safety Fact Sheet: Speeding-Related Crashes Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2021 Fact Sheet
2021 SafeTREC Traffic Safety Fact Sheet: Pedestrian Safety Chen, Katherine L.; Tsai, Bor-Wen; Fortin, Garrett; Cooper, Jill F. 2021 Fact Sheet
2021 SafeTREC Traffic Safety Fact Sheet: Occupant Protection Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2021 Fact Sheet
2021 SafeTREC Traffic Safety Fact Sheet: Motorcycle Safety Katherine L. Chen; Bor-Wen Tsai; Garrett Fortin; Jill F. Cooper 2021 Fact Sheet