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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 Delays

 

Estimation of Road User Costs for Work Zones in Data-Limited or Time-Constrained Environments

This paper considers the problem of estimating road user costs (RUCs), such as travel time and delays, for roadway construction projects under time and data limitations. RUCs measure the mobility … [Read more...] about Estimation of Road User Costs for Work Zones in Data-Limited or Time-Constrained Environments

Improvement of Highway Work Zone Performance by Traffic Management

This study investigates the effects of traffic management strategies on performance of a work zone along arterial roads. The strategies included Temporary Access Control (TAC), Limitation of Heavy … [Read more...] about Improvement of Highway Work Zone Performance by Traffic Management

Utah DOT Traffic App Tops One Million Downloads

The UDOT Traffic app, a smartphone traffic monitoring application launched by the Utah Department of Transportation in 2011, surpassed one million downloads in January 2021. The app serves as … [Read more...] about Utah DOT Traffic App Tops One Million Downloads

Causes of Delays in Road Construction Projects in Laos

One of the most important sectors in infrastructure development in Laos is road construction. However, many road construction projects in Laos suffer from extensive delays. This causes damage such as … [Read more...] about Causes of Delays in Road Construction Projects in Laos

The National Performance Management Research Data Set (NPMRDS) and Application for Work Zone Performance Measurement

Transportation agencies are increasingly using probe vehicle data for transportation system performance management and as a resource for meeting the federal requirements of monitoring and reporting … [Read more...] about The National Performance Management Research Data Set (NPMRDS) and Application for Work Zone Performance Measurement

Road User Costs for Highway Construction Projects Involving a Lane Closure

While for years most American State Highway Agencies have performed Road User Cost (RUC) calculations, no uniformity from state to state has been established. There is scant research available that … [Read more...] about Road User Costs for Highway Construction Projects Involving a Lane Closure

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