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Publication

Using Portable Traffic Monitoring Devices (PTMDs) in Work Zones

Abstract:

Many agencies use intelligent transportation system (ITS) devices to monitor traffic flow and detect disruptions on transportation networks. These devices can measure average speed, occupancy, and travel time, which can be used to determine performance of the system and provide traveler information. In situations like work zones that are temporary and may disrupt regular ITS devices, a portable traffic monitoring device (PTMD) can provide valuable monitoring capabilities. Practitioners can use PTMDs to monitor operating speeds inside a work zone and the speed and traffic volume on alternate routes. The data can be used to identify traffic disruptions, such as crashes and queues forming at work zones, estimate delays through the work zone and on alternate routes, assess the need for intervention, and inform motorists.

Publisher: Federal Highway Administration
Publication Date: 2013
Full Text URL: Link to URL
Publication Types: Brochures and Fact Sheets
Topics: Advanced Traveler Information Systems; Intelligent Transportation Systems; State of the Practice

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