Publications

Title Author Year Publication type
Developing a safety heatmap of uncontrolled intersections using both conflict probability and severity Ma, Yingying; Qin, Xiaoran; Grembek, Offer; Chen, Zhiwei 2018 Journal Article
Investigating the underreporting of pedestrian and bicycle crashes in and around university campuses - a crowdsourcing approach Medury, Aditya; Grembek, Offer; Loukaitou-Sideris, Anastasia; Shafizadeh, Kevan 2017 Journal Article
Developing a Web-Based Tool to Track Highway Safety Planning Progress in California Chen, Katherine L.; Oum, Sang Hyouk; Cooper, Jill F. 2017 Journal Article
Novelty helmet use and motorcycle rider fatality Rice, Thomas M.; Troszak, Lara; Erhardt, Taryn; Trent, Roger B.; Zhu, Motao 2017 Journal Article
Pedestrian and Bicycle Safety Research Brief Barajas, Jesus M. 2017 Research Brief
California Motorcycle Safety Facts Rice, Thomas M. 2017 Fact Sheet
Drinking and driving and perceptions of arrest risk among California drivers: Relationships with DUI arrests in their city of residence MacLeod, Kara E.; Karriker-Jaffe, Katherine J.; Satariano, William A.; Kelley-Baker, Tara; Lacey, John H.; Ragland, David R. 2017 Journal Article
Pedestrian and Bicycle Safety Research Brief Barajas, Jesus M. 2016 Research Brief
Safety Assessment of Uncontrolled Intersections Using Both Conflict Probability and Severity Ma, Yingying; Qin, Xiaoran; Grembek, Offer; Chen, Zhiwei 2016 Conference Paper
Combining traffic efficiency and traffic safety in countermeasure selection to improve pedestrian safety at two-way stop controlled intersections Yang, Zhao; Zhang, Yuanyuan; Grembek, Offer 2016 Journal Article
Driver obesity and the risk of fatal injury during traffic collisions Rice, Thomas M.; Zhu, Motao 2016 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
Automated Assessment of Safety-Critical Dynamics in Multi-modal Transportation Systems Medury, Aditya; Yu, Mengqiao; Bourdais, Cedric; Grembek, Offer 2016 Technical Report
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
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
Modeling Secondary Accidents Identified by Traffic Shock Waves Wang, Junhua; Liu, Boya; Lanfang, Zhang; Ragland, David R. 2015 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
Relative Vulnerability Matrix for Evaluating Multimodal Traffic Safety Grembek, Offer 2015 Conference Paper
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
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
Crashes on and Near College Campuses: A Comparative Analysis of Pedestrian and Bicyclist Safety Loukaitou-Sideris, Anastasia; Medury, Aditya; Fink, Camille; Grembek, Offer; Shafizadeh, Kevan; Wong, Norman; Orrick, Phyllis 2014 Journal Article
Complete Streets: From Policy to Practice in the San Francisco Bay Area Pande, Swati; Martinez, Martin 2014 Working Paper
Dynamic Programming-based Pedestrian Hotspot Identification Approach Medury, Aditya; Grembek, Offer 2014 Conference Paper
A Database for Active Transportation Infrastructure and Volume Proulx, Frank R.; Zhang, Yuanyuan; Grembek, Offer 2014 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
Investigating the Associations Between Road Network Structure and Non-motorist Accidents Zhang, Yuanyuan; Bigham, John M.; Ragland, David R.; Chen, Xiaohong 2014 Journal Article
Impacts of Pedestrians on Capacity and Delay of Major Street Through Traffic at Two-Way Stop-Controlled Intersections Yang, Zhao; Zhang, Yuanyuan; Zhu, Renwei; Ye, Xiaofei; Jiang, Xiaohong 2014 Journal Article
Limitations of Data on Cell Phone Involvement in Collisions: A Case Study of California Griswold, Julia B.; Grembek, Offer 2014 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
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
Error Consideration for Geocoding Police Reported Collision Data in California Bigham, John M.; Oum, Sang Hyouk 2014 Technical Report
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
Evaluation of the Safe Routes to Transit Program in California Weinzimmer, David; Sanders, Rebecca L.; Dittrich, Heidi; Cooper, Jill F. 2014 Conference Paper
Relative Burden of Distracted Driving Fatalities by Characteristic Griswold, Julia B.; Grembek, Offer 2014 Journal Article
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
Safe Routes to Transit Program Evaluation Final Report Sanders, Rebecca L.; Weinzimmer, David; Dittrich, Heidi; Cooper, Jill F. 2014 Technical Report
The Impact of Health Problems on Driving Status Among Older Adults MacLeod, Kara E.; Satariano, William A.; Ragland, David R. 2014 Journal Article
Pedestrian Safety Improvement Program Grembek, Offer; Bosman, Craig; Bigham, John M.; Fine, Sara; Griswold, Julia B.; Medury, Aditya; Sanders, Rebecca L.; Schneider, Robert J.; Yavari, Afsaneh; Zhang, Yuanyuan; Ragland, David R. 2014 Technical Report
A Comparative Analysis of Pedestrian and Bicyclist Safety Around University Campuses Grembek, Offer; Medury, Aditya; Orrick, Phyllis; Leung, Katherine; Ragland, David R.; Loukaitou-Sideris, Anastasia; Resnick, Justin; Wong, Norman; Shafizadeh, Kevan; Khan, Ghazan 2014 Technical Report
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
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
Guidebook on Pedestrian and Bicycle Volume Data Collection Ryus, Paul; Ferguson, Erin; Laustsen, Kelly M.; Schneider, Robert J.; Proulx, Frank R.; Hull, Tony; Miranda-Moreno, Luis 2014 Technical Report
A Multidimensional Clustering Algorithm for Studying Fatal Road Crashes Fishbain, Barak; Grembek, Offer 2014 Journal Article
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
Investigating Bicyclists' Perception of Comfort on Physically Separated Bicycle Paths in Nanjing, China Li, Zhibin; Wang, Wei; Liu, Pan; Schneider, Robert J.; Ragland, David R. 2014 Journal Article
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
Developing Safety Management Tools for State Departments of Transportation Chung, Koohong; Grembek, Offer; Lee, Jinwoo; Choi, Keechoo 2013 Journal Article
Pedestrian Crash Risk on Boundary Roadways University Campus Case Study Schneider, Robert J.; Grembek, Offer; Braughton, Matthew 2013 Journal Article
Surrogate safety measure for evaluating rear-end collision risk related to kinematic waves near freeway recurrent bottlenecks Li, Zhibin; Ahn, Seongchae; Chung, Koohong; Ragland, David R.; Wang, Wei; Yu, Jeong Whon 2013 Journal Article
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