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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Traffic Conflicts

Evaluating Traffic Conflicts and Crash Risk in Nighttime Maintenance Operation Areas of Highways Using Vehicles’ Trajectory Data

Highway pavement maintenance operations are increasingly conducted at night, when lane reduction combined with the complexity of nighttime conditions elevates driving risks within maintenance … [Read more...] about Evaluating Traffic Conflicts and Crash Risk in Nighttime Maintenance Operation Areas of Highways Using Vehicles’ Trajectory Data

Safety and Operational Impacts of Different Autonomous Vehicle Operations on Freeway Work Zones

The emergence of new Connected and Autonomous Technology (CAT) has led to significant enhancements in operational efficiency and safety within the realm of transportation. Autonomous Vehicles (AVs) … [Read more...] about Safety and Operational Impacts of Different Autonomous Vehicle Operations on Freeway Work Zones

A Traffic Conflict Risk Assessment Model for Highway Construction Zones Based on Trajectory Data

Highway construction zones present substantial safety challenges due to their dynamic and unpredictable traffic conditions. With the rising number of highway projects, limited accident data during … [Read more...] about A Traffic Conflict Risk Assessment Model for Highway Construction Zones Based on Trajectory Data

Dynamic Risk Assessment and Control Framework for Work Zone and Its First Implementation Under Simulation Environment

The number of road maintenance operations in China is increasing. Work zones can interfere with everyday driving and bring significant safety hazards to the throughput vehicles and construction … [Read more...] about Dynamic Risk Assessment and Control Framework for Work Zone and Its First Implementation Under Simulation Environment

Traffic Safety Analysis at Signalized Intersections During Work Zones Intervals by Using the LiDAR Sensor Technology

The importance of conflict analysis and safety considerations during work zone intervals at signalized intersections cannot be overstated, as these periods pose unique challenges and safety risks for … [Read more...] about Traffic Safety Analysis at Signalized Intersections During Work Zones Intervals by Using the LiDAR Sensor Technology

Traffic Conflicts in the Lane-Switching Sections at Highway Reconstruction Zones

Introduction: There are designated sections for lane-shifting in several highway reconstruction and expansion zones. Similar to the bottleneck sections of highways, these sections are characterized by … [Read more...] about Traffic Conflicts in the Lane-Switching Sections at Highway Reconstruction Zones

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Copyright © 2025 American Road & Transportation Builders Association (ARTBA). The National Work Zone Safety Information Clearinghouse is a project of the ARTBA Transportation Development Foundation. It is operated in cooperation with the U.S. Federal Highway Administration and Texas A&M Transportation Institute. | Copyright Statement · Privacy Policy · Disclaimer
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