Publications

Title Author Year Publication type
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
HOV Lane Configurations and Safety Performance of California Freeways – An Investigation of Differential Distributions and Statistical Analysis Jang, Kitae; Chan, Ching-Yao 2009 Conference Paper
Changes in Driver Behavior Resulting from Pedestrian Countdown Signals Huey, S. Brian; Ragland, David R. 2007 Conference Paper
Addressing Inappropriate Driver Behavior at Rail-Highway Crossings Cooper, Douglas L.; Ragland, David R. 2008 Conference Paper
Gap acceptance for vehicles turning left across on-coming traffic: Implications for Intersection Decision Support design Ragland, David R.; Arroyo, Sofia; Shladover, Steven E.; Misener, James A.; Chan, Ching-Yao 2005 Conference Paper
Property Damage Crash Equivalency Factors for Solving the Crash Frequency-Severity Dilemma: Case Study on South Korean Rural Roads Oh, Jutaek; Washington, Simon; Lee, Dongmin 2010 Conference Paper
Safety Performance of High-Occupancy Vehicle (HOV) Facilities: Evaluation of HOV Lane Configurations in California Jang, Kitae; Chung, Koohong; Ragland, David R.; Chan, Ching-Yao 2009 Conference Paper
What They Don’t Know Can Kill Them Mitman, Meghan F.; Ragland, David R. 2007 Conference Paper
Effectiveness of a Commercially Available Automated Pedestrian Counting Device in Urban Environments: Comparison with Manual Counts Greene-Roesel, Ryan; Diogenes, Mara Chagas; Ragland, David R.; Lindau, Luis Antonio 2008 Conference Paper
Providing Intersection Decision Support under Challenging Conditions Shladover, Steven E.; VanderWerf, Joel; Ragland, David R. 2005 Conference Paper
Using Variable Speed Limits To Reduce Rear-End Collision Risks Near Recurrent Bottlenecks Li, Zhibin; Liu, Pan; Bigham, John M.; Ragland, David R. 2013 Conference Paper
Driver and Pedestrian Behavior at Uncontrolled Crosswalks in the Tahoe Basin Recreation Area Mitman, Meghan F.; Cooper, Douglas L.; DuBose, Brooke 2010 Conference Paper
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
San Pablo Avenue Pedestrian Signal Timing Optimization Nguyen, Ahn; Ragland, David R. 2007 Conference Paper
Safety Assessment of Uncontrolled Intersections Using Both Conflict Probability and Severity Ma, Yingying; Qin, Xiaoran; Grembek, Offer; Chen, Zhiwei 2016 Conference Paper
Dynamic Programming-based Pedestrian Hotspot Identification Approach Medury, Aditya; Grembek, Offer 2014 Conference Paper
Pedestrian and Bicyclist Safety Effects of the California Safe Routes to School Program Gutierrez, Nicolas; Orenstein, Marla; Cooper, Jill F.; Rice, Thomas M.; Ragland, David R. 2008 Conference Paper
Pedestrian Volume Modeling for Traffic Safety and Exposure Analysis: The Case of Boston, Massachusetts Raford, Noah; Ragland, David R. 2005 Conference Paper
Relative Vulnerability Matrix for Evaluating Multimodal Traffic Safety Grembek, Offer 2015 Conference Paper
Physical Environments Influencing Bicyclists’ Perception of Comfort on Separated and On-Street Bicycle Facilities Li, Zhibin; Wang, Wei; Liu, Pan; Ragland, David R. 2012 Journal Article
Motorcycle helmet type and the risk of head injury and neck injury during motorcycle collisions in California Erhardt, Taryn; Rice, Thomas M.; Troszak, Lara; Zhu, Motao 2015 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