The installation locations in northwest Minnesota include Minn. Highway 75 and Polk County Road 21 and Minn. Highway 200 and Mahnomen County Road 4.
The systems are used to alert drivers when vehicles are approaching the intersection. The system uses a combination of traditional signing, flashing lights that turn on when traffic is approaching an intersection and sensors that trigger lights to flash.
©2015 the Grand Forks Herald (Grand Forks, N.D.) Distributed by Tribune Content Agency, LLC.