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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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Work Zone Capacity

Examination of the Effect of Driver Population at Freeway Reconstruction Zones

This paper presents an investigation into the effect of the driver population factor on the capacity of long-term freeway reconstruction zones. A major reconstruction project in Ontario, Canada … [Read more...] about Examination of the Effect of Driver Population at Freeway Reconstruction Zones

Investigation of Factors Affecting Capacity at Rural Freeway Work Zones

Traffic management in freeway construction zones is a challenging task to traffic engineers. Capacity reduction in the work zone is a one of the causes of the problems. Although many past works … [Read more...] about Investigation of Factors Affecting Capacity at Rural Freeway Work Zones

Estimation of Traffic Delays and Vehicle Queues at Freeway Work Zones

The traffic flow is disrupted and delayed at a work zone because the traffic capacity and the vehicle speed are lower at the work zone section than at other portions of the roadway. Traffic delays at … [Read more...] about Estimation of Traffic Delays and Vehicle Queues at Freeway Work Zones

A New Methodology to Estimate Capacity for Freeway Work Zones

The objectives of this study were to investigate various independent factors that contribute to capacity reduction in work zones and to suggest a new methodology to estimate the work zone capacity. To … [Read more...] about A New Methodology to Estimate Capacity for Freeway Work Zones

Guidelines for Estimating Freeway Capacity at Long-Term Reconstruction Zones

This paper reports findings from recent investigations into freeway capacity at several long-term reconstruction zones in Ontario, Canada. The aim is to provide guidelines for estimating freeway … [Read more...] about Guidelines for Estimating Freeway Capacity at Long-Term Reconstruction Zones

Capacity of Freeway Work Zone Lane Closures

This paper reports on part of the research that was done by CTRE for the Iowa DOT to evaluate the capacity of lane closures and driver behavior. … [Read more...] about Capacity of Freeway Work Zone Lane Closures

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