The State of Minnesota and the University of Minnesota have participated in the stop sign gap assistance portion of the USDOT's Intersection Decision Support effort and the Cooperative Intersection Collision Avoidance Systems effort. Minnesota's work inc included luded analyzing crash data from Minnesota intersections and establishing a test intersection for data collection. Minnesota installed surveillance equipment at the test intersection and recorded driver behavior under various conditions. A human factors evaluation tested the viability of several concepts for signs that could be installed to provide gap assistance information to the driver. The effort has now been expanded to become a cooperative system where the vehicle and the infrastructure work toget together her to provide enhanced assistance to the driver.
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