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 |