Map: Here are the 70 mph areas on Illinois interstates
New speed limit will apply to 87 percent of interstate highways and 98 percent of rural interstates
Illinois transportation officials have announced locations along interstates where the speed limit will increase to 70 mph.
The Illinois Department of Transportation says about 87 percent of interstate highways and 98 percent of rural interstates under its jurisdiction will be increased to 70 mph. A new law takes effect Jan. 1 increasing the maximum speed limit on Illinois interstates to 70 mph.
IDOT officials say crews will start installing 70 mph signs and removing 65 mph signs in early January.
Transportation officials urge motorists to obey posted speed limits. They say the 70 mph speed limit will be in effect on segments of Illinois interstates that can accommodate the higher speed while maintaining safety.
About 28 percent of the Illinois Tollway’s 286-mile system will be increased to 70 mph.