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Intersection Safety

Background and Objectives

More than 50 percent of the combined total of fatal and injury crashes occur at or near intersections. The Federal Highway Administration’s (FHWA’s) intersection safety and design research facilitates the implementation of short-term safety improvements, and defines and evaluates long-term higher payoff strategies to improve intersection safety.

Intersection safety and design research has led to the development and successful deployment of innovative intersection and interchange designs, including the modern roundabout, mini-roundabout, continuous flow intersections, restricted crossing U-turn intersections, and diverging diamond interchanges.

FHWA will identify the most common and severe problems and compile information on the applications and design of innovative safety countermeasures at both signalized and non-signalized intersections and at interchanges. This initial effort should reveal strategic operational and research opportunities to further intersection safety.

Updated: Monday, December 2, 2019