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swishsm.gif (275 bytes)PATH Transportation Safety Research
Ching-Yao Chan, Program Leader

Transportation Safety research at PATH continues to extend traditional areas of competency at PATH, mainly in vehicle-highway cooperation and communication, and "science of driving" investigations on driving behavior, and in implementation of prototype vehicle-highway safety systems. In this past year, new areas of research have extended to efficient means to investigate crashes, rail-highway crossings, and importantly to Caltrans, means to understand high crash concentrations in order to embark on road safety improvements.
Specific project groupings include:

  • Intersections and Cooperative Systems - crossing path vehicle crashes, safety aspects of cooperative driver-assist systems, Vehicle Infrastructure Integration (VII) with Expedited VII and VII California
  • Driver behavior - modeling and applications for safety and countermeasure studies of car following and lane changes, at roadway intersections, at-grade crossings
  • Employee Safety - work zone warning signals, snow removal equipment Emerging areas include speed enforcement, heavy truck safety, pedestrian safety and research with older driver safety.

PATH Transportation Safety Task Orders:

  • 5202 - Effects of Cooperative Adaptive Cruise Control on Traffic Flow Testing Drivers' Choices of Following Distance

  • 5204 - Pedestrian/Bicycle Safety in a SMART Corridor

  • 5208 - Investigation of Driver Behavior at Rail Crossings

  • 5500 - The Naturalistic Driver Model: Development, Integration, and Verification of Lane Change Maneuver, Driver Emergency and Impairment Modules

  • 65A0068 - Development of the Advanced Rotary Plow (ARP) for Snow Removal Operations

  • 65A0089 - Innovative Grade Crossing Safety Measures for the San Joaquin Rail Corridor

  • 6201 - San Joaquin Rail Corridor Crossing Survey

  • 6203 - Bicycle Detection and Operational Concept at Signalized Intersections

  • 6205 - Workzone Safety Improvements through Enhanced Warning Signal Devices

  • 6206 - Develop Methods to Reduce/Prevent Vehicle Backing Accidents

  • 6209 - Driver/Pedestrian Understanding and Behavior at Marked and Unmarked Crosswalks

  • 6210 - Red Light Running Avoidance

  • 6211 - Estimating Pedestrian Accident Exposure

  • 6212 - Assessing Automated Speed Enforcement (ASE) Systems in California

  • 6214 - ITS Band Roadside to Vehicle Communications in a Highway Setting<

  • 6215 - Methods for Identifying High Collision Concentration Locations for Potential Safety Improvements

  • 6216 - Expedited Crash Investigation—With the use of Technological Tools for Crash Documentation and Processing

  • 6217 - VII California Development and Deployment: Proof of Concept

  • 6218 - Evaluation of Traffic and Environment Effects on Skid Resistance and Safety Performance of Rubberized Open Graded Asphalt Concrete

  • 6219 - Evaluate the Effectiveness of Ladder Style Crosswalks

  • 6220 - Reduce Accidents Involving Driver Fatigue

  • 6221 - Evaluate the Causes of Pedestrian and Bicyclist Traffic Fatalities and Injuries, and Establish Appropriate Countermeasures for use in California

  • 6222 - Identifying Factors that Determine Bicycle and Pedestrian-Involved Collision Rates and Affect Bicycle and Pedestrian Demand at Multi-Lane Roundabouts

  • 6600 - Quantifying the Performance of Countermeasures for Collision Concentrations Related to Ramp/Freeway Mainline Junctions

  • 6601 - Safety of HOV Ingress/Egress along Limited Access Buffer Separated Faciities

  • 6602 - Evaluation of Wet Weather Accident Causation Criteria

  • 6603 - Methods to Address Headlight Glare

  • 6604 - Evaluation of an Animal Warning System Effectiveness

  • 6607 - California Cooperative Intersection Collision Avoidance System (CICAS)

  • 6608 - CICAS Urban and Suburban Assisted Left-turn (USUAL) System

  • 6609 - Onboard Monitoring and Reporting for Commercial Motor Vehicle Safety

  • 6610 - DATA Collection Project/Strategic Highway Safety Plan


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