Publications

Title Author Year Publication typesort ascending
The Association between Booster Seat Use and Risk of Death Among Motor Vehicle Occupants aged 4–8: A Matched Cohort Study Rice, Thomas M.; Anderson, Craig L.; Lee, A. S. 2009 Technical Report
Teens and Driving in California: Summary of Research and Best Practices Bui, Huong; Arnold, Lindsay S.; Cooper, Jill F.; Ragland, David R. 2006 Technical Report
Develop Methods to Reduce or Prevent Backing Crashes Cooper, Douglas L.; Duffy, Sarah; Orrick, Phyllis; Ragland, David R. 2009 Technical Report
Low Income Childhood Pedestrian Injury: Understanding the Disparate Risk Johnson, Emily S.; Geyer, Judy A.; Rai, Nirmeet; Ragland, David R. 2004 Technical Report
Safe Routes to School Local School Project: A health evaluation at 10 low-income schools Cooper, Jill F.; McMillan, Tracy 2010 Technical Report
Pre-Intervention Assessment: UC Davis Medical Center and California Health Care Safety Net Institute Child Passenger Safety Initiative Cooper, Jill F.; Ragland, David R.; MacLeod, Kara E.; Jameson, Wendy 2002 Technical Report
Introducing an Intelligent Intersection Grembek, Offer; Kurzhanskiy, Alex A.; Medury, Aditya; Varaiya, Pravin; Yu, Mengqiao 2018 Technical Report
Applying Safety Treatments To Rail-Highway At-Grade Crossings Cooper, Douglas L.; Ragland, David R. 2012 Technical Report
Error Consideration for Geocoding Police Reported Collision Data in California Bigham, John M.; Oum, Sang Hyouk 2014 Technical Report
California Intersection Decision Support: A Systems Approach to Achieve Nationally Interoperable Solutions Chan, Ching-Yao; Cody, Delphine; Cohn, Theodore; Dickey, Susan; Greenhouse, Dan; Mak, Tony; Marco, David; Nguyen, Khoi; Misener, James A.; Nowakowski, Christopher; Ossenbrugen, Paul ; Ragland, David R.; Shladover, Steven E.; Tan, Swe-kuang; Vanderwerf, Joel; Wang, Xiqin; Zabyshny, Aleksandr; Zennaro, Marco 2005 Technical Report
Seamless Travel: Measuring Bicycle and Pedestrian Activity in San Diego County and its Relationship to Land Use, Transportation, Safety, and Facility Type Jones, Michael G.; Ryan, Sherry; Donlon, Jennifer; Ledbetter, Lauren; Ragland, David R.; Arnold, Lindsay S. 2010 Technical Report
The Association Between Health Problems and Driver Status Among Older Adults MacLeod, Kara E.; Geyer, Judy A.; Satariano, William A.; Ragland, David R. 2004 Technical Report
Community Pedestrian and Bicycle Safety Training Program Evaluation Report Doggett, Sarah; Beck, Kate M.; Ana Lopez; Cooper, Jill F. 2019 Technical Report
Airports and Bicycles: what are the obstacles and incentives for operators to improve bicycle access? Orrick, Phyllis; Frick, Karen Trapenberg 2013 Technical Report
The Continuous Risk Profile Approach for the Identification of High Collision Concentration Locations on Congested Highways Chung, Koohong; Ragland, David R.; Madanat, Samer; Oh, Soon Mi 2009 Technical Report
Cost-Effectiveness of Traffic Safety Interventions in the United States Vahidnia, Farnaz; Walsh, Julia 2002 Technical Report
We All Want the Same Thing Results from a Roadway Design Survey of Pedestrians, Drivers, Bicyclists, and Transit Users in the Bay Area Sanders, Rebecca L.; Cooper, Jill F. 2012 Technical Report
Methods for Identifying High Collision Concentration Locations for Potential Safety Improvements Geyer, Judy; Lankina, Elena; Chan, Ching-Yao; Ragland, David R.; Pham, Trinh; Sharafsaleh, Mohammad A. 2008 Technical Report
Evaluation of Traffic and Environment Effects on Skid Resistance and Safety Performance of Rubberized Open-grade Asphalt Concrete Oh, Soon Mi; Ragland, David R.; Chan, Ching-Yao 2010 Technical Report
Bicycle Helmet Use: Workbook and Guide for Evaluating Community-Based Programs Geyer, Judy; Cooper, Jill F.; Ragland, David R. 2003 Technical Report
Oakland Chinatown Pedestrian Scramble: An Evaluation Bechtel, Allyson K.; MacLeod, Kara E.; Ragland, David R. 2003 Technical Report
Building a Highway Linear Referencing System from Preexisting Reference Marker Measurements for Transportation Data Management Bigham, John M.; Kang, Sanghyeok 2013 Technical Report
Estimating Pedestrian Accident Exposure: Protocol Report Greene-Roesel, Ryan; Diogenes, Mara Chagas; Ragland, David R. 2007 Technical Report
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
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
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
The Effects of Transportation Corridor Features on Driver and Pedestrian Behavior and on Community Economic Vitality: Final Study Report Sanders, Rebecca L.; Griffin, Ashleigh; MacLeod, Kara E.; Cooper, Jill F.; Ragland, David R. 2012 Technical Report
Rural Road Links: A Review on Current Research Projects & Initiatives Aimed at Reducing Vehicle Crash Fatalities on Rural Roads Quiros, Lesliam; Shaver, Barrett 2003 Technical Report
Cross-Section Designs for the Safety Performance of Buffer-Separated High-Occupancy Vehicle (HOV) lanes Jang, Kitae; Kang, Sanghyeok; Seo, Jongwon; Chan, Ching-Yao 2011 Technical Report
A Comparative Safety Study of Limited versus Continuous Access High Occupancy Vehicle (HOV) Facilities Jang, Kitae; Ragland, David R.; Chan, Ching-Yao 2009 Technical Report
Impact of Pedestrian Presence on Movement of Left-Turning Vehicles: Method, Preliminary Results & Possible Use in Intersection Decision Support Banerjee, Ipsita; Shladover, Steven E.; Misener, James A.; Chan, Ching-Yao; Ragland, David R. 2004 Technical Report
Integration of Light Rail Transit into City Streets Korve, Hans W.; Farran, Jose I.; Mansel, Douglas M.; Levinson, Herbert S.; Chira-Chavala, T.; Ragland, David R. 1996 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