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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 Congestion

A Study on Traffic Flow Distribution in Road Networks Considering the Impact of Construction Zones

The construction of urban expressways will significantly impact the travel of surrounding residents. Traffic flow assignment is a key method to address this issue. This study, therefore, addresses the … [Read more...] about A Study on Traffic Flow Distribution in Road Networks Considering the Impact of Construction Zones

Impact of Road Sign on Traffic Congestion During Road Repair: A Cellular Automaton Model Study

This study investigates the impact of road signs on traffic congestion during road repairs using a cellular automaton (CA) model. The model simulates an urban dual-lane one-way road, incorporating a … [Read more...] about Impact of Road Sign on Traffic Congestion During Road Repair: A Cellular Automaton Model Study

From Chaos to Order: Evaluating Behavior-Driven Road Sign Strategies in Work Zone Management

Road construction significantly impacts traffic dynamics, often causing severe congestion, reduced speeds, and elevated accident risks due to lane closures and merging bottlenecks. This study employs … [Read more...] about From Chaos to Order: Evaluating Behavior-Driven Road Sign Strategies in Work Zone Management

Tennessee Now Providing Slowdown Alerts to Truck Drivers Through Drivewyze Smart Roadways

This article reports on Tennessee’s deployment of Drivewyze Smart Roadways technology across 2,800 miles of interstate highways. The system uses real-time traffic analytics from INRIX to deliver … [Read more...] about Tennessee Now Providing Slowdown Alerts to Truck Drivers Through Drivewyze Smart Roadways

An Integrated Lane Change Control Method for Freeway Segments With Lane Drop in a Connected Mixed Traffic Environment

Segment with lane drops are very important in freeway systems since they are major constrains to traffic flow and safety. The frequency of capacity reductions and higher safety risks is proportional … [Read more...] about An Integrated Lane Change Control Method for Freeway Segments With Lane Drop in a Connected Mixed Traffic Environment

Traffic Management Systems Actively Managing the Display of Queue Warning Messages

This fact sheet highlights how traffic management systems (TMSs) can be used to generate and display warning messages that alert travelers to congested traffic conditions before travelers encounter … [Read more...] about Traffic Management Systems Actively Managing the Display of Queue Warning Messages

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