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 |
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 |
Evaluation of Traffic and Environment Effects on Skid Resistance in California |
Oh, Soon Mi; Madanat, S M; Ragland, David R.; Chan, Ching-Yao |
2010 |
Conference Paper |
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 |