Publications

Title Author Year Publication typesort descending
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
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
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
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
Limitations of Data on Cell Phone Involvement in Collisions: A Case Study of California Griswold, Julia B.; Grembek, Offer 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
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
Weighing Integration by Block Heterogeneity to Evaluate Pedestrian Activity Do, Minh-Tan; Grembek, Offer; Ragland, David R.; Chan, Ching-Yao 2012 Conference Paper
Impact of Traffic States on Freeway Collision Frequency Yeo, Hwasoo; Jang, Kitae; Skabardonis, Alexander 2010 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
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
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
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
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
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 the Accuracy of Global Positioning System Coordinates for Collision Locations in California Bigham, John M.; Strang, Garrett; Oum, Sang Hyouk 2014 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
Performance Measures for Complete, Green Streets: A Proposal for Urban Arterials in California Sanders, Rebecca L.; Macdonald, Elizabeth; Anderson, Alia 2010 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
Safety and Other Impacts of Vehicle Impound Enforcement Cooper, Douglas L.; Chira-Chavala, T.; Gillen, David 2000 Technical Report
California Traffic Safety Survey 2024 Ewald, Katrin; Wasserman, Lisa 2024 Technical Report
Evaluation of Wet Weather Accident Causation Criteria Oh, Soonmi; Ragland, David R.; Chan, Ching-Yao 2008 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
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
Automated Assessment of Safety-Critical Dynamics in Multi-modal Transportation Systems Medury, Aditya; Yu, Mengqiao; Bourdais, Cedric; Grembek, Offer 2016 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
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
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
Safe Routes to Transit Program Evaluation Final Report Sanders, Rebecca L.; Weinzimmer, David; Dittrich, Heidi; Cooper, Jill F. 2014 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