Publications

Title Author Year Publication typesort descending
Motorcycle helmet use and the risk of head, neck, and fatal injury: Revisiting the Hurt Study Rice, Thomas M.; Troszak, Lara; Ouellet, James V.; Erhardt, Taryn; Smith, Gordon S.; Tsai, Bor-Wen 2016 Journal Article
Observations of Driver Time-Gap Acceptance at Intersections in Left-Turn Across-Path Opposite-Direction Scenarios Chan, Ching-Yao; Ragland, David R.; Shladover, Steven E.; Misener, James A.; Marco, David 2005 Journal Article
Pedestrian Count Expansion Methods: Bridging the Gap between Land Use Groups and Empirical Clusters Medury, Aditya; Griswold, Julia B.; Huang, Louis; Grembek, Offer 2019 Journal Article
Geocoding Police Collision Report Data from California: A Comprehensive Approach Bigham, John M.; Rice, Thomas M.; Pande, Swati; Lee, Junhak; Park, Shin Hyoung; Gutierrez, Nicolas; Ragland, David R. 2009 Journal Article
Investigating the Associations Between Road Network Structure and Non-motorist Accidents Zhang, Yuanyuan; Bigham, John M.; Ragland, David R.; Chen, Xiaohong 2014 Journal Article
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
Safe Routes to School Safety and Mobility Analysis Orenstein, Marla R.; Gutierrez, Nicolas; Rice, Thomas M.; Cooper, Jill F.; Ragland, David R. 2007 Journal Article
Utilizing the Eigenvectors of Freeway Loop Data Spatiotemporal Schematic for Real Time Crash Prediction Fang, Shou'en; Xie, Wenjing; Wang, Junhua; Ragland, David R. 2016 Journal Article
Bicycle Commuting Market Analysis Using Attitudinal Market Segmentation Approach Li, Zhibin; Wang, Wei; Yang, Chen; Ragland, David R. 2012 Journal Article
Developing a safety heatmap of uncontrolled intersections using both conflict probability and severity Ma, Yingying; Qin, Xiaoran; Grembek, Offer; Chen, Zhiwei 2018 Journal Article
Household Travel Surveys in Context-Based Approach for Adjusting ITE Trip Generation Rates in Urban Contexts Clifton, Kelly J.; Currans, Kristina M.; Cutter, April C.; Schneider, Robert J. 2012 Journal Article
Identification of Freeway Secondary Accidents with Traffic Shock Wave Detected by Loop Detectors Wang, Junhua; Xie, Wenjing; Liu, Boya; Fang, Shou'en; Ragland, David R. 2016 Journal Article
Centrality Characteristics of Road Network Patterns of Traffic Analysis Zones Zhang, Yuanyuan; Wang, Xuesong; Zeng, Peng; Chen, Xiaohong 2011 Journal Article
Alcohol Consumption and Incidence of Workers' Compensation Claims: A 5-Year Prospective Study of Urban Transit Operators Ragland, David R.; Krause, Niklas; Greiner, Birgit A.; Holman, Barbara L.; Fisher, June M.; Cunradi, Carol B. 2002 Journal Article
A Methodology for Counting Pedestrians at Intersections: Using Automated Counters to Extrapolate Weekly Volumes from Short Manual Counts Schneider, Robert J.; Arnold, Lindsay S.; Ragland, David R. 2009 Journal Article
Driver/Pedestrian Understanding and Behavior at Marked and Unmarked Crosswalks Ragland, David R.; Mitman, Meghan F. 2007 Journal Article
Modeling Secondary Accidents Identified by Traffic Shock Waves Wang, Junhua; Liu, Boya; Lanfang, Zhang; Ragland, David R. 2015 Journal Article
Learning the representation of surrogate safety measures to identify traffic conflict Jiajian Lu; Offer Grembek; Mark Hansen 2022 Journal Article
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