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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
21

Speed Management

speed odometer pictureSpeeding - traveling too fast for conditions or exceeding the posted speed...

Pavement Friction

In 2015, there were 6.3 million crashes reported across the nation, including 35,092 fatalities and 2.44 million injuries, according to ...

Crossover Intersections

Some intersection designs direct some or all traffic to cross over to the left–hand side of the roadway to facilitate unopposed left–turn movements. These designs can improve safety and reduce congestion at the intersection.

The two most common crossover–based designs are the diverging...