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Traffic Management

Hard Shoulder Running (HSR) to Eliminate Back Ups and Enhance Safety

US Route 1 is a highly congested state arterial where there is often queuing for two miles where the highway narrows from three to two lanes causing travel delays and creating the potential for accidents. NJDOT drew upon their successful deployment of HSR for a solution. Intelligent Transportation System (ITS) and community outreach allowed for easy implementation, eliminating back-ups and enhancing safety.

Field Detection Devices Phased Out with Arterial Probe Speed Data Use

Use of arterial probe speed data has reduced NJDOT’s use of field detection devices.

Intelligent Roadway Information System (IRIS) Open Source Advanced Transportation Management System (ATMS) Software Implementation

MnDOT developed IRIS (open source ATMS) with in-house staff in the late 1990s. Other agencies were also able to utilize and implement IRIS (e.g., Wyoming, Nebraska, Indiana, Caltrans, Chandler AZ, Bloomington MN, Scott County MN, and the Mall of America in Bloomington, MN).

Dynamic Message Sign (DMS) Parts Near End of Life Used to Extend Life of DMS in Critical Locations

Parts from DMS near their end of life are used to extend the life of DMS in critical locations.

Automated Video Request Tool

Iowa DOT developed an automated process and tool for video requests.

Dynamic Message Sign (DMS) Placement Scoring Matrix

In 2018, Iowa DOT completed a DMS inventory using a scoring matrix to identify priorities for existing and proposed DMS sites.

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