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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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Vehicle Trajectories

Vehicle Collision Risk Assessment Method in Highway Work Zone Based on Trajectory Data

This study aims to evaluate vehicle safety in highway work zones by analyzing collision risk using vehicle trajectory data collected from these zones. First, vehicle movement within the work zone is … [Read more...] about Vehicle Collision Risk Assessment Method in Highway Work Zone Based on Trajectory Data

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

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

Work-Zone Safety Analysis: Evaluating Rear-End Crash Risk With Extreme Value Theory

This research paper addresses the critical issue of work-zone safety, specifically focusing on the transition area where one or more lanes are reduced, leading to merging operations. Given the limited … [Read more...] about Work-Zone Safety Analysis: Evaluating Rear-End Crash Risk With Extreme Value Theory

Changing Regularity of the Interaction Effects of Multi-Scale Factors on Drivers’ Merging Behaviors in the Highway Work Zone

This study aimed to explore the impacting mechanism of macro- and micro-factors and multi-scale synergy on drivers’ merging behaviors in the highway work zone, and then to facilitate future merging … [Read more...] about Changing Regularity of the Interaction Effects of Multi-Scale Factors on Drivers’ Merging Behaviors in the Highway Work Zone

Effect of Construction Work Zone on Rear-End Conflicts by Vehicle Type Under Heterogeneous Traffic Conditions

Road transportation is a critical mode of transportation because of its mobility characteristics. Road construction work zones (WZ) are widespread on roads because of increased travel demand. Thus, it … [Read more...] about Effect of Construction Work Zone on Rear-End Conflicts by Vehicle Type Under Heterogeneous Traffic Conditions

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