Publications

Title Author Year Publication typesort ascending
Strategies for Reducing Pedestrian and Bicyclist Injury at the Corridor Level Grembek, Offer; Zhang, Yuanyuan; Yavari, Afsaneh; Yang, Zhao; Ragland, David R. 2013 Technical Report
Experimental Evaluation of the Continuous Risk Profile (CRP) Approach to the Current Caltrans Methodology for High Collision Concentration Location Identification Grembek, Offer; Kim, Kwangho; Kwon, Oh Hoon; Lee, Jinwoo; Liu, Haotian; Park, Min Ju; Washington, Simon; Ragland, David R.; Madanat, Samer M. 2012 Technical Report
Safety Evaluation of High-Occupancy Vehicle (HOV) Facilities in California Ragland, David R.; Oh, Soonmi; Chan, Ching-Yao 2008 Technical Report
Pedestrian and Bicycle Safety Evaluation for the City of Emeryville at Four Intersections Johnson, Emily S.; Ragland, David R.; Cooper, Jill F.; O'Connor, Terri 2005 Technical Report
A Review of ITS-Based Pedestrian Injury Countermeasures Bechtel, Allyson K.; Geyer, Judy A.; Ragland, David R. 2003 Technical Report
California Traffic Safety Survey 2021 Ewald, Katrin; Wasserman, Lisa 2021 Technical Report
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
Evaluation of Traffic and Environment Effects on Skid Resistance in California Oh, Soon Mi; Madanat, S M; Ragland, David R.; Chan, Ching-Yao 2010 Conference Paper
Evaluation of Countermeasures: A Study on the Effect of Impactable Yield Signs Installed at Intersections in San Francisco Banerjee, Ipsita; Ragland, David R. 2007 Conference Paper
A Pilot Model for Estimating Pedestrian Intersection Crossing Volumes Schneider, Robert J.; Arnold, Lindsay S.; Ragland, David R. 2009 Conference Paper
Classification of Bicycle Traffic Patterns in Five North American Cities Miranda-Moreno, Luis; Nosal, Thomas; Schneider, Robert J.; Proulx, Frank R. 2013 Conference Paper
A Database for Active Transportation Infrastructure and Volume Proulx, Frank R.; Zhang, Yuanyuan; Grembek, Offer 2014 Conference Paper
Identification of High Collision Concentration Locations Under Wet Weather Conditions Hwang, Taesung; Chung, Koohong; Ragland, David R.; Chan, Chin-Yao 2008 Conference Paper
Exploring Factors Influencing Bicyclists’ Perception of Comfort on Bicycle Facilities Li, Zhibin; Wang, Wei; Zhang, Yuanyuan; Lu, Jie; Ragland, David R. 2011 Conference Paper
Influential Factors on Level of Injury in Pedestrian Crashes: Applications of Ordered Probit Model with Robust Standard Errors Jang, Kitae; Park, Shin Hyoung; Chung, Sungbong; Song, Ki Han 2010 Conference Paper
A 3D Computer Simulation Test of the Leibowitz Hypothesis Barton, Joseph E.; Cohn, Theodore E. 2007 Conference Paper
San Francisco PedSafe II Project Outcomes and Lessons Learned Hua, Jenna; Gutierrez, Nicolas; Banerjee, Ipsita; Markowitz, Frank; Ragland, David R. 2009 Conference Paper
Crosswalk Confusion: More Evidence Why Pedestrian and Driver Knowledge of the Vehicle Code Should Not Be Assumed Mitman, Meghan F.; Ragland, David R. 2014 Conference Paper
Space Syntax: The Role of Urban Form in Cyclist Route Choice in Central London Raford, Noah; Chiaradia, Alain; Gil, Jorge 2007 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
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