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 |
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 |
Driving Cessation and Increased Depressive Symptoms |
Ragland, David R.; Satariano, William A.; MacLeod, Kara E. |
2003 |
Journal Article |
Developing Safety Management Tools for State Departments of Transportation |
Chung, Koohong; Grembek, Offer; Lee, Jinwoo; Choi, Keechoo |
2013 |
Journal Article |
A Pedestrian Exposure Model for the California State Highway System |
Griswold, Julia B.; Medury, Aditya; Schneider, Robert J.; Amos, Dave; Li, Ang; Grembek, Offer |
2019 |
Journal Article |
Driver obesity and the risk of fatal injury during traffic collisions |
Rice, Thomas M.; Zhu, Motao |
2016 |
Journal Article |
Acceptance of drinking and driving and alcohol-involved driving crashes in California |
MacLeod, Kara E.; Karriker-Jaffe, Katherine J.; Ragland, David R.; Satariano, William A.; Kelley-Baker, Tara; Lacey, John H. |
2015 |
Journal Article |
Relative Burden of Distracted Driving Fatalities by Characteristic |
Griswold, Julia B.; Grembek, Offer |
2014 |
Journal Article |