ANCHORAGE, Alaska - Alaska State Troopers say signs have been posted on all four of the state's highway safety corridors notifying drivers that headlights must be on at all times.

A relatively simple fix -- adding signs and enforcement along some of Alaska's most dangerous roads -- has led to major highway safety improvements.

FAIRBANKS — The Alaska Department of Transportation and Department of Public Safety received a joint award for implementing the Alaska Safety Corridor Program to reduce the rate of fatal and ...