To make work zones safer, state departments of transportation (DOTs) use smart technologies with specialized components, such as sensors, communications, software, and electronic equipment, to manage … [Read more...] about Use of Smart Work Zone Technologies for Improving Work Zone Safety: A Synthesis of Highway Practice
Traffic Characteristics
Pennsylvania Study Looks at Work Zone Crashes, Risk Factors
A recent study by Carnegie Mellon University looked at the effects of traffic, weather and other factors impacting the safety of highway work zones and increased accident risks in these areas. … [Read more...] about Pennsylvania Study Looks at Work Zone Crashes, Risk Factors
Trajectory Optimization of CAVs in Freeway Work Zone Considering Car-Following Behaviors Using Online Multiagent Reinforcement Learning
Work zone areas are frequent congested sections considered as the freeway bottleneck. Connected and autonomous vehicle (CAV) trajectory optimization can improve the operating efficiency in bottleneck … [Read more...] about Trajectory Optimization of CAVs in Freeway Work Zone Considering Car-Following Behaviors Using Online Multiagent Reinforcement Learning
Evaluation of Work Zone Mobility by Utilizing Naturalistic Driving Study Data, Phase II
The objective of this research was to study work zone mobility by utilizing the second Strategic Highway Research Program (SHRP2) Naturalistic Driving Study (NDS) data. The NDS data provides a unique … [Read more...] about Evaluation of Work Zone Mobility by Utilizing Naturalistic Driving Study Data, Phase II
Trajectory Planning for Connected and Autonomous Vehicles at Freeway Work Zones Under Mixed Traffic Environment
Mixed traffic control with connected and autonomous vehicles (CAVs) and human driving vehicles (HVs) is becoming a hot topic. CAV trajectory planning at work zones under the mixed traffic environment … [Read more...] about Trajectory Planning for Connected and Autonomous Vehicles at Freeway Work Zones Under Mixed Traffic Environment
Integrated Control Method for Ramp Traffic Flow in Construction Area of Expressway
In order to alleviate the traffic congestion of the expressway construction section without interrupting the traffic, an integrated control method of ramp traffic flow was proposed. Based on METANET … [Read more...] about Integrated Control Method for Ramp Traffic Flow in Construction Area of Expressway