David R. Ragland

发表

Estimating Pedestrian Accident Exposure: Approaches to a Statewide Pedestrian Exposure Database

Mara Chagas Diogenes, Ryan Greene-Roesel, David R. Ragland, 2007 .

Using Time-Based Metrics to Compare Crash Risk Across Modes and Locations

S. Ilgin Guler, David R. Ragland, Offer Grembek, 2013 .

Quantifying the Performance of Countermeasures for Collision Concentration Related to Ramp/Freeway Mainline Junctions

David R. Ragland, Joon ho Lee, Ching-Yao Chan, 2009 .

Removing Barriers for Seniors at Transit Stops and Stations and the Potential for Transit Ridership Growth

David R. Ragland, Rhianna JoIris Babka, Joseph Zheng, 2008 .

Evaluation of Urban Travel Training for Older Adults

David R. Ragland, Rhianna JoIris Babka, Jill F Cooper, 2009 .

Safety Performance of Experimental Pavement Types in California Using Before-and-After Comparisons

Ching-Yao Chan, David R. Ragland, Soonmi Oh, 2010 .

Evaluating Research on Data Linkage to Assess Underreporting of Pedestrian and Bicyclist Injury in Police Crash Data

David R. Ragland, Sarah Doggett, Grace Felschundneff, 2018 .

Methods to Reduce or Prevent Backing Crashes

David R. Ragland, Phyllis Orrick, Douglas L Cooper, 2016 .

Qualitative comparison of north-american procedures for areawide pedestrian travel measurement

Mara Chagas Diogenes, Luis Antonio Lindau, Ryan Greene-Roesel, 2007 .

Low Cost Upgrades to At-Grade Crossing Safety Devices

David R. Ragland, Douglas L Cooper, Grace Felschundneff, 2013 .

Prehospital Response Time and Traumatic Injury—A Review

David R. Ragland, Sarah Doggett, Grace Felschundneff, 2018 .

Addressing Inappropriate Driver Behavior at Rail-Highway Crossings

David R. Ragland, Douglas L Cooper, 2008 .

Pedestrian and Bicycle Safety Evaluation in a SMART Corridor

David R. Ragland, Terri O'Connor, 2008 .

Weighting integration by block heterogeneity toevaluate pedestrian activity

Ching-Yao Chan, David R. Ragland, Offer Grembek, 2013 .

Safe Routes to School Safety and Mobility Analysis

David R. Ragland, Jill F. Cooper, Jill F Cooper, 2007 .

A Comparative Analysis of Pedestrian and Bicyclist Safety Around University Campuses

Anastasia Loukaitou-Sideris, David R. Ragland, Offer Grembek, 2014 .

Crosswalk Confusion

David R. Ragland, Meghan Fehlig Mitman, D. Ragland, 2007 .

Vehicle Occupancy and Crash Risk

David R. Ragland, Judy A Geyer, D. Ragland, 2005 .

Observational Study of Cell Phone and Texting Use Among California Drivers 2012 and Comparison to 2011 Data

David R. Ragland, Jill F Cooper, Christopher J Murphy, 2013 .

TRANSIT COLLISIONS AND TRAFFIC DENSITY

David R. Ragland, R J Hundenski, June M. Fisher, 1990 .

Ten Years Later: Examining the Long-Term Impact of the California Safe Routes to School Program

John Bigham, David R. Ragland, Swati Pande, 2014 .

Pedestrian and Bicycle Safety Strategies for UC Berkeley Campus and Periphery: Recommendations for Implementation

David R. Ragland, Offer Grembek, Phyllis Orrick, 2013 .

Emergency Medical Services (EMS) and the California EMS Information System (CEMSIS) Working Paper

David R. Ragland, Sarah Doggett, Grace Felschundneff, 2019 .

Impact of Pedestrian Presence on Movement of Left-Turning Vehicles: Method, Preliminary Results & Possible Use in Intersection Decision Support

Ching-Yao Chan, David R. Ragland, Steven E. Shladover, 2004 .

INTENSIVE PEDESTRIAN SAFETY ENGINEERING STUDY USING COMPUTERIZED CRASH ANALYSIS

Frank Markowitz, David R. Ragland, Kara E. MacLeod, 2003 .

Pilot Model for Estimating Pedestrian Intersection Crossing Volumes

David R. Ragland, Robert J. Schneider, Lindsay S. Arnold, 2009 .

Predicting Crash Severity Based on Its Related Collision Type Using Five Data Mining Techniques

Navid Nadimi, David R. Ragland, Amir Mohammadian Amiri, 2018 .

Modeling Bicycle Passing Maneuvers on Multilane Separated Bicycle Paths

John Bigham, David R. Ragland, Zhibin Li, 2013 .

What They Don’t Know Can Kill Them

David R. Ragland, Meghan Fehlig Mitman, 2007 .

Develop Methods to Reduce or Prevent Backing Crashes

David R. Ragland, Phyllis Orrick, Douglas L Cooper, 2010 .

Performance Measures for Complete, Green Streets: Initial Findings for Pedestrian Safety along a California Corridor

David R. Ragland, Elizabeth Macdonald, Rebecca L. Sanders, 2011 .

Evaluate the Causes of Pedestrian and Bicyclist Traffic Fatalities and Injuries, and Establish Appropriate Countermeasures for Use in California

David R. Ragland, Doug Cooper, Meghan Fehlig Mitman, 2010 .

Examining Long-Term Impact of California Safe Routes to School Program

John Bigham, David R. Ragland, Swati Pande, 2014 .

Why Do Building Owners Invest in Bicycle-Oriented Design?

Karen Trapenberg Frick, David R. Ragland, Phyllis Orrick, 2011 .

Roadway and Infrastructure Design and Its Relation to Pedestrian and Bicycle Safety: Basic Principles, Applications, and Benefits

David R. Ragland, Offer Grembek, Phyllis Orrick, 2013 .

Evaluation of the California Child Passenger Safety Initiative

David R. Ragland, Kara E. MacLeod, Jill F Cooper, 2004 .

Identifying Factors that Determine Bicyclist and Pedestrian-Involved Collision Rates and Bicyclist and Pedestrian Demand at Multi-Lane Roundabouts

David R. Ragland, Aimee Flannery, Tierra Bills, 2013 .

Associations Between Road Network Structure and Pedestrian-Bicyclist Accidents

John Bigham, David R. Ragland, Xiaohong Chen, 2013 .

Strategies for Reducing Pedestrian and Bicyclist Injury at the Corridor Level

Zhao Yang, David R. Ragland, Offer Grembek, 2011 .

Promoting Research Results and New Technologies: Making the Case for Accelerated Deployment

Samer Madanat, Stephen Andrews, David R. Ragland, 2011 .

Intersection Decision Support Project: Taxonomy of Crossing-Path Crashes at Intersections Using GES 2000 Data

David R. Ragland, Aleksandr A Zabyshny, D. Ragland, 2003 .

Investigating Bicyclists’ Perception of Comfort on Physically Separated Bicycle Paths in Nanjing, China

Weixu Wang, David R. Ragland, Robert J. Schneider, 2012 .

Development of a Safety Management Protocol

David R. Ragland, Douglas L Cooper, Sarah Duffy, 2008 .

Observational Study of Cell Phone and Texting Use Among California Drivers 2015 and Comparison to 2011 through 2014 Data

David R. Ragland, Jill F Cooper, Christopher J Murphy, 2015 .

Physical environments influencing bicyclists’ perception of comfort on separated and on-street bicycle facilities

David R. Ragland, Zhibin Li, Pan Liu, 2012 .

Observations of driver time gap acceptance at intersections in left-turn across-path-opposite-direction scenarios

David R. Ragland, Ching-Yao Chan, David Marco, 2005 .

Traffic Safety in Communities of Color

David R. Ragland, Larry Cohen, Toni Gantz, 2003 .

San Francisco PedSafe II Project Outcomes and Lessons Learned

Frank Markowitz, David R. Ragland, Ipsita Banerjee, 2009 .

Methods for Identifying High Collision Concentration Locations for Potential Safety Improvements

Ching-Yao Chan, David R. Ragland, Ashkan Sharafsaleh, 2008 .

Observational Study of use of Cell Phone and Texting among Drivers in California

David R. Ragland, Jill F Cooper, Christopher J Murphy, 2013 .

Estimating Pedestrian Accident Exposure

Mara Chagas Diogenes, Ryan Greene-Roesel, David R. Ragland, 2010 .

Develop a Plan to Collect Pedestrian Infrastructure and Volume Data for Future Incorporation into Caltrans Accident Surveillance and Analysis System Database

David R. Ragland, Offer Grembek, Robert J. Schneider, 2014 .

Pedestrian Safety Improvement Program

John Bigham, David R. Ragland, Offer Grembek, 2014 .

Transportation and Health: Policy Interventions for Safer, Healthier People and Communities

David R. Ragland, Phyllis Orrick, 2011 .

Methodology for Counting Pedestrians at Intersections

David R. Ragland, Robert J. Schneider, Lindsay S. Arnold, 2009 .

Evaluation of Traffic and Environment Effects on Skid Resistance in California

Ching-Yao Chan, Samer Madanat, David R. Ragland, 2010 .

False Alarms and Human-Machine Warning Systems

David R. Ragland, Aleksandr A Zabyshny, D. Ragland, 2003 .

Rest Areas - Reducing Accidents Involving Driver Fatigue

David R. Ragland, Swati Pande, Kitae Jang, 2009 .

A STUDY OF TRAFFIC ACCIDENTS FOR THE SAN FRANCISCO MUNICIPAL RAILWAY: PRELIMINARY RESULTS

David R. Ragland, R J Hundenski, June M. Fisher, 1988 .

Driver Behavior at Rail Crossings: Cost-Effective Improvements to Increase Driver Safety at Public At-Grade Rail-Highway Crossings in California

David R. Ragland, Douglas L Cooper, 2007 .

Method for Generating Continuous Risk Profile for Highway Collisions

David R. Ragland, Koohong Chung, 2007 .

PEDESTRIAN AND BICYCLIST SAFETY EFFECTS OF THE CALIFORNIA SAFE ROUTES TO SCHOOL PROGRAM

David R. Ragland, Jill F Cooper, Marla R. Orenstein, 2008 .

Pre-Intervention Assessment: UC Davis Medical Center and California Health Care Safety Net Institute Child Passenger Safety Initiative

David R. Ragland, William Jameson, Kara E. MacLeod, 2002 .

Evaluation of Traffic and Environment Effects on Skid Resistance and Safety Performance of Rubberized Open-grade Asphalt Concrete

David R. Ragland, Ching-Yao Chan, Soon Mi Oh, 2010 .

Using Geographically Weighted Poisson Regression for county-level crash modeling in California

Weixu Wang, John Bigham, David R. Ragland, 2013 .

Estimating Pedestrian Accident Exposure: Automated Pedestrian Counting Devices Report

Mara Chagas Diogenes, Ryan Greene-Roesel, David R. Ragland, 2007 .

Applying Safety Treatments To Rail-Highway At-Grade Crossings

David R. Ragland, Douglas L Cooper, 2012 .

Experimental Evaluation of the Continuous Risk Profile (CRP) Approach to the Current Caltrans Methodology for High Collision Concentration Location Identification

Simon Washington, Samer Madanat, Oh Hoon Kwon, 2012 .

Safe Routes to School: Safety & Mobility Analysis: Report to the California Legislature

David R. Ragland, Jill F. Cooper, Jill F Cooper, 2007 .

The Marked Crosswalk Dilemma: Uncovering Some Missing Links in a 35-Year Debate Author:

David R. Ragland, Charles Zegeer, Meghan Fehlig Mitman, 2008 .

Bicycle Infrastructure that Extends beyond the Door: examining investments in bicycle-oriented design through a qualitative survey of commercial building owners and tenants

Karen Trapenberg Frick, David R. Ragland, Phyllis Orrick, 2010 .

Observational Survey of Cell Phone Use and Texting by California Drivers, 2011

David R. Ragland, Jill F. Cooper, Jill F Cooper, 2012 .

A Comparative Safety Study of Limited versus Continuous Access High Occupancy Vehicle (HOV) Facilities

Ching-Yao Chan, David R. Ragland, Kitae Jang, 2009 .

Using Field Observation Video for the Analysis of Driver Behaviors in Left-Turn Maneuvers against Oncoming Vehicles

Ching-Yao Chan, David R. Ragland, Sofia Arroyo, 2005 .

Evaluation of Countermeasures: A Study on the Effect of Impactable Yield Signs Installed at Intersections in San Francisco

David R. Ragland, Ipsita Banerjee, 2007 .

A Methodology of Quantifying Precipitation Exposure for Wet-Weather Collisions and Evaluating Effectiveness of Open-Grade Asphalt Concrete as a Countermeasure

David R. Ragland, Ching-Yao Chan, Soon Mi Oh, 2010 .

Gap acceptance for vehicles turning left across on-coming traffic: Implications for Intersection Decision Support design

David R. Ragland, James A Misener, Ching-Yao Chan, 2005 .

Developing methods to reduce and prevent vehicle backing accidents

David R. Ragland, Doug Cooper, Sarah Duffy, 2009 .

Teens and Driving in California: Summary of Research and Best Practices

David R. Ragland, Jill F Cooper, Huong Bui, 2006 .

Identifying Factors that Determine Bicycle and Pedestrian-Involved Collision Rates that Affect Bicycle and Pedestrian Demand at Multi-Lane Roundabouts

David R. Ragland, Aimee Flannery, Tierra Bills, 2010 .

High Collision Concentration Location: Table C Evaluation and Recommendations

Ching-Yao Chan, David R. Ragland, 2007 .

HOV Lane Configurationsand Collision Distribution on Freeway Lanes â€“ An Investigation of Historical Collision Data in California

Ching-Yao Chan, David R. Ragland, Kitae Jang, 2007 .

Identification of High Collision Concentration Locations Under Wet Weather Conditions

David R. Ragland, Taesung Hwang, Koohong Chung, 2008 .

STUDIES OF HEALTH OUTCOMES IN TRANSIT OPERATORS: POLICY IMPLICATIONS OF THE CURRENT SCIENTIFIC DATABASE

David R. Ragland, Birgit A. Greiner, June M. Fisher, 1998 .

Associations between Road Network Connectivity and Pedestrian-Bicyclist Accidents

David R. Ragland, Xiaohong Chen, D. Ragland, 2012 .

Alcohol, stress-related factors, and short-term absenteeism among urban transit operators

David R. Ragland, Birgit A. Greiner, D. Ragland, 2005, Journal of Urban Health.

Objective Stress Factors, Accidents, and Absenteeism in Transit Operators: A Theoretical Framework and Empirical Evidence

David R. Ragland, Birgit A. Greiner, June M. Fisher, 1998 .

Effects of Weather Variables on Pedestrian Volumes in Alameda County, California

David R. Ragland, Robert J. Schneider, Lindsay S. Arnold, 2010 .

Driver/Pedestrian Understanding and Behavior at Marked and Unmarked Crosswalks

David R. Ragland, Meghan Fehlig Mitman, D. Ragland, 2007 .

Safety Evaluation of High-Occupancy Vehicle (HOV) Facilities in California

Ching-Yao Chan, David R. Ragland, Kitae Jang, 2008 .

Analysis of Wet Weather Related Collision Concentration Locations: Empirical Assessment of Continuous Risk Profile

Ching-Yao Chan, David R. Ragland, Koohong Chung, 2009 .

Comparison of collisions on HOV facilities with limited and continuous access

Ching-Yao Chan, David R. Ragland, Kitae Jang, 2008 .

Exploring Factors Influencing Bicyclists' Perception of Comfort on Bicycle Facilities

David R. Ragland, Zhibin Li, Wei Wang, 2012 .

Pedestrian and Bicycle Safety Evaluation for the City of Emeryville at Four Intersections

David R. Ragland, Jill F Cooper, Terri O'Connor, 2005 .

REPORT TO THE CALIFORNIA LEGISLATURE

David R. Ragland, Jill F. Cooper, Jill F Cooper, 2007 .

Objective measurement of occupational stress factors--an example with San Francisco urban transit operators.

David R. Ragland, Birgit A. Greiner, Neal Krause, 1997 .