Following a review of engineering and traffic safety reports, the Idaho Transportation Board approved a plan on Friday to increase the speed limit on selected rural sections of interstates in southern and eastern Idaho in early August.
80-mph Speed Limit Coming to Nearly 500 Miles of Wyoming Roadways
Truck drivers and car drivers, along with anyone in between, will soon be able to legally drive up to 80 mph on 488 miles of rural interstate highway in Wyoming.