ITS to Address Non-Signalized Rural Intersection Safety Ray Starr, Assistant State Traffic Engineer Intelligent Transportation Systems Section Minnesota.

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Presentation transcript:

ITS to Address Non-Signalized Rural Intersection Safety Ray Starr, Assistant State Traffic Engineer Intelligent Transportation Systems Section Minnesota Department of Transportation

Crash Analysis

Crashes Right angle crashes are overrepresented at rural STOP controlled intersections. Most of the fatal crashes are stop and proceed. Strategies to address include use of ITS technologies.

Traditional Safety Strategies Improve Geometry – Partial and full grade separation on expressways Enhance traditional signs and markings Install street lights

Three Major ITS Systems CICAS – Stop Sign Assist – Rural Expressways – Gap Based Intersection Collision Warning – Mainline Warning – Cross Street Warning Stop Sign Warning

Goals Effective – Reduce Fatal Crashes Reliable Appropriate Cost for the Location

CICAS-SSA Cooperative Intersection Collision Avoidance Systems - Stop Sign Assist

Hwy 52 & Goodhue County 9

CICAS - SSA

Intersection Collision Warning Cross Street WarningMainline Warning

Stop Sign Warning

Safe Intersection Project Evaluate Commercial Off the Shelf (COTS) systems that are: Low-cost Easy to operate and maintain Readily deployable in rural areas

An Idea Whose Time Has Come!

Michigan ENTERPRISE Project

Virginia

North Carolina

Missouri

Pennsylvania

Maine

Future Activities FHWA Safety Initiative ENTERPRISE Pooled Fund Project Promote Development of Standards for MUTCD

MORE INFORMATION Ray Starr Assistant Traffic Engineer For ITS Projects