Publications

Title Author Year Publication typesort descending
Variations in Teens' Perception of Risk Factors for Teen Motor Vehicle Collision Injuries Chen, Katherine L.; Cooper, Jill F.; Grembek, Offer; Henk, Russell; Tisdale, Stacey M. 2014 Conference Paper
The Marked Crosswalk Dilemma: Uncovering Some Missing Links in a 35-Year Debate Mitman, Meghan F.; Ragland, David R.; Zegeer, Charles V. 2008 Conference Paper
Estimation of Pedestrian Risk Exposure in Urban Areas : Case studies in the US and in France Do, Minh-Tan; Grembek, Offer; Cerezo, Veronique 2013 Conference Paper
A Dynamic Congestion Pricing Strategy for High-Occupancy Toll Lanes Jang, Kitae; Chung, Koohong 2010 Conference Paper
High Visibility Enforcement Programs: California’s State and University Traffic Safety Partnership Cooper, Jill F.; Kan, Irene; Cadet, Akilah; Rauch, Sharleen; Murphy, Christopher J. 2009 Conference Paper
Pedestrian Counting Methods at Intersections: a Comparative Study Diogenes, Mara Chagas; Greene-Roesel, Ryan; Arnold, Lindsay S.; Ragland, David R. 2007 Conference Paper
Limitations of Data on Cell Phone Involvement in Collisions: A Case Study of California Griswold, Julia B.; Grembek, Offer 2014 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
Ten Years Later: Examining the Long-Term Impact of the California Safe Routes to School Program Ragland, David R.; Pande, Swati; Bigham, John M.; Cooper, Jill F. 2014 Conference Paper
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
HOV Lane Configurationsand Collision Distribution on Freeway Lanes – An Investigation of Historical Collision Data in California Chung, Koohong; Chan, Ching-Yao; Jang, Kitae; Ragland, David R.; Kim, Yong-Hee 2007 Conference Paper
Weighing Integration by Block Heterogeneity to Evaluate Pedestrian Activity Do, Minh-Tan; Grembek, Offer; Ragland, David R.; Chan, Ching-Yao 2012 Conference Paper
Traffic Injury on Tribal Lands in California Ragland, David R.; Bigham, John M.; Oum, Sang Hyouk; Chen, Katherine L.; Felschundneff, Grace 2014 Conference Paper
Impact of Traffic States on Freeway Collision Frequency Yeo, Hwasoo; Jang, Kitae; Skabardonis, Alexander 2010 Conference Paper
Effects of Weather Variables on Pedestrian Volumes in Alameda County, California Attaset, Vanvisa; Schneider, Robert J.; Arnold, Lindsay S.; Ragland, David R. 2010 Conference Paper
Comparison of collisions on HOV facilities with limited and continuous access Jang, Kitae; Chung, Koohong; Ragland, David R.; Chan, Ching-Yao 2008 Conference Paper
Using Time-Based Metrics to Compare Crash Risk Across Modes and Locations Guler, S. Ilgin; Grembek, Offer; Ragland, David R. 2012 Conference Paper
The Analysis of Right-of-way for different road users in China: Passing-Passenger-Unit Versus Passenger-Car-Unit Xiong, Wen; Zhang, Yuanyuan; Chen, Xiaohong; Jiang, Chao 2014 Conference Paper
Safety Performance of Experimental Pavement Types in California Using Before-and-After Comparisons Oh, Soonmi; Ragland, David R.; Chan, Ching-Yao 2010 Conference Paper
Development of a Variable Speed Limit Strategy Based on Car Following Behaviors for Improving Freeway Safety Under Severe Weathers Li, Zhibin; Liu, Pan; Li, Ye; Xu, Chengcheng; Yu, Hao; Zhang, Yuanyuan 2014 Conference Paper
Estimating Bicycle and Pedestrian Demand in San Diego Jones, Michael; Buckland, Lauren 2008 Conference Paper
The Continuing Debate about Safety in Numbers—Data from Oakland, CA Geyer, Judy A.; Raford, Noah; Ragland, David R.; Pham, Trinh 2006 Conference Paper
Associations between Road Network Structure and Pedestrian-Bicyclist Accidents Zhang, Yuanyuan; Bigham, John M.; Li, Zhibin; Ragland, David R.; Chen, Xiaohong 2012 Conference Paper
Factors Associated with Hit-and-Run Pedestrian Fatalities and Driver Identification MacLeod, Kara E.; Griswold, Julia B.; Arnold, Lindsay S.; Ragland, David R. 2010 Conference Paper
Drivers, Pedestrians, and Cyclists in California Want Complete Streets: Comparison of Results from Roadway Design Surveys of Pedestrians, Drivers, Bicyclists, and Transit Users in Northern and Southern California Sanders, Rebecca L.; Griffin, Ashleigh; MacLeod, Kara E.; Cooper, Jill F. 2014 Conference Paper
Pedestrian Counting Methods at Intersections: a Comparative Study Diogenes, Mara Chagas; Greene-Roesel, Ryan; Arnold, Lindsay S.; Ragland, David R. 2007 Conference Paper
Health Impacts of the School Commute Lee, Murray; Orenstein, Marla; Richardson, Maxwell J.; Ragland, David R. 2008 Conference Paper
Evaluation of the Accuracy of Global Positioning System Coordinates for Collision Locations in California Bigham, John M.; Strang, Garrett; Oum, Sang Hyouk 2014 Conference Paper
Single-Vehicle Fatal Crash Prediction for Two-Lane Rural Highways in the Southeastern United States Zhu, Hong; Dixon, Karen K.; Washington, Simon; Jared, David M. 2010 Conference Paper
Evaluation of an Urban Travel Training for Older Adults Babka, Rhianna JoIris; Cooper, Jill F.; Ragland, David R. 2009 Conference Paper
Removing Barriers for Seniors at Transit Stops and Stations and the Potential for Transit Ridership Growth Babka, Rhianna JoIris; Zheng, Joseph; Cooper, Jill F.; Ragland, David R. 2008 Conference Paper
Evaluation of the Safe Routes to Transit Program in California Weinzimmer, David; Sanders, Rebecca L.; Dittrich, Heidi; Cooper, Jill F. 2014 Conference Paper
Performance Measures for Complete, Green Streets: A Proposal for Urban Arterials in California Sanders, Rebecca L.; Macdonald, Elizabeth; Anderson, Alia 2010 Conference Paper
Safety and Other Impacts of Vehicle Impound Enforcement Cooper, Douglas L.; Chira-Chavala, T.; Gillen, David 2000 Technical Report
Evaluation of Wet Weather Accident Causation Criteria Oh, Soonmi; Ragland, David R.; Chan, Ching-Yao 2008 Technical Report
Develop a Plan to Collect Pedestrian Infrastructure and Volume Data for Future Incorporation into Caltrans Accident Surveillance and Analysis System Database Zhang, Yuanyuan; Proulx, Frank R.; Ragland, David R.; Schneider, Robert J.; Grembek, Offer 2014 Technical Report
Promoting Research Results and New Technologies: Making the Case for Accelerated Deployment Andrews, Stephen; Madanat, Samer; Ragland, David R.; West, Thomas 2011 Technical Report
Collaboration Math: Enhancing the Effectiveness of Multidisciplinary Collaboration Cohen, Larry; Aboelata, Mana; Gantz, Toni; Van Wert, Jennifer 2003 Technical Report
California Traffic Safety Survey 2023 Ewald, Katrin; Wasserman, Lisa 2023 Technical Report
Automated Assessment of Safety-Critical Dynamics in Multi-modal Transportation Systems Medury, Aditya; Yu, Mengqiao; Bourdais, Cedric; Grembek, Offer 2016 Technical Report
Observational Study of Cell Phone and Texting Use Among California Drivers 2015 and Comparison to 2011 through 2014 Data Cooper, Jill F.; Ragland, David R.; Ewald, Katrin; Wasserman, Lisa; Murphy, Christopher J. 2015 Technical Report
Performance Measures for Complete, Green Streets: Initial Findings for Pedestrian Safety along a California Corridor Sanders, Rebecca L.; Macdonald, Elizabeth; Anderson, Alia; Ragland, David R.; Cooper, Jill F. 2011 Technical Report
Pedestrian and Bicycle Safety Evaluation in a SMART Corridor Ragland, David R.; O’Connor, Terri 2007 Technical Report
Safe Routes to Transit Program Evaluation Final Report Sanders, Rebecca L.; Weinzimmer, David; Dittrich, Heidi; Cooper, Jill F. 2014 Technical Report
Traffic Safety in Communities of Color Gantz, Toni; De La Garza, Enrique J.; Ragland, David R.; Cohen, Larry 2003 Technical Report
2022 Statewide Traffic Safety Survey Summary Cooper, Jill F. 2022 Technical Report
Observational Study of Cell Phone and Texting Use Among California Drivers 2012 and Comparison to 2011 Data Cooper, Jill F.; Ragland, David R.; Ewald, Katrin; Wasserman, Lisa; Murphy, Christopher J. 2013 Technical Report
Red-Light-Running Collision Avoidance Grembek, Offer; Zhou, Kun; Zhang, Wei-Bin 2009 Technical Report
Pilot Models for Estimating Bicycle Intersection Volumes Griswold, Julia B.; Medury, Aditya; Schneider, Robert J. 2011 Technical Report
The Effects of Transportation Corridor Features on Driver and Pedestrian Behavior and on Community Economic Vitality: Final Study Report Sanders, Rebecca L.; Griffin, Ashleigh; MacLeod, Kara E.; Cooper, Jill F.; Ragland, David R. 2012 Technical Report