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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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Information Infrastructure and Data

Determining Queue and Congestion in Highway Work Zone Bottlenecks

This study investigated some of the issues in capacity, queue length, and delay estimation in work zones. In particular, the current methods for analyzing congestion in work zones are examined. … [Read more...] about Determining Queue and Congestion in Highway Work Zone Bottlenecks

TomTom to Provide Real Time Traffic Data to Assist Maastricht in Minimizing Traffic Disruption During Major Construction Work on the A2

TomTom will provide real time traffic data to Avenue2, the construction company in charge of building a new tunnel under the A2 motorway. With this information Avenue2 can monitor in real time the … [Read more...] about TomTom to Provide Real Time Traffic Data to Assist Maastricht in Minimizing Traffic Disruption During Major Construction Work on the A2

Hong Kong to Develop Traffic and Incident Management System

Hong Kong's Commissioner of Transportation is proposing to develop a Traffic and Incident Management System costing the equivalent of $12.8 million US dollars. The new proposal would improve the … [Read more...] about Hong Kong to Develop Traffic and Incident Management System

Road User Impacts Due to Speed Limit Reduction in Work Zones: Which Tool Is Best: Quickzone or Visum?

The Utah Department of Transportation (UDOT) ExpressLink project on I−15 will increase capacity by adding express lanes in each direction from 500 North to I−215 ramp in Davis County, Utah. These … [Read more...] about Road User Impacts Due to Speed Limit Reduction in Work Zones: Which Tool Is Best: Quickzone or Visum?

Simulation Models for Assessment of the Impacts of Strategies for Highway Work Zones: Eight Case Studies Along Interstate Highways and State Routes in New England

As the National Highway System reaches the end of its serviceable life, transportation agencies increasingly need to focus on the preservation, rehabilitation, and maintenance of these roads. In light … [Read more...] about Simulation Models for Assessment of the Impacts of Strategies for Highway Work Zones: Eight Case Studies Along Interstate Highways and State Routes in New England

Real-Time Measurement of Travel Time Delay in Work Zones and Evaluation Metrics Using Bluetooth Probe Tracking

This paper describes the collection and use of 1.4 million travel time records that were collected over a 12-week period in 2009 to evaluate and communicate quantifiable travel mobility metrics for a … [Read more...] about Real-Time Measurement of Travel Time Delay in Work Zones and Evaluation Metrics Using Bluetooth Probe Tracking

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