The booms echoing through Colorado's high country each winter are getting a high-tech upgrade. For years, crews with the Colorado Department of Transportation used howitzer cannons along I-70 to blast ...

Add Yahoo as a preferred source to see more of our stories on Google. The Washington State Department of Transportation says a new remote-controlled system will replace the aging artillery once used ...

AVSS Secures Nationwide SFOC Approval From Transport Canada for Drone Avalanche Control Technology: Special Flight Operations Certificate Allows AVSS to Use SnowDarts™ to Perform Avalanche Management.

STEVENS PASS, Wash. – US 2 at Stevens Pass will temporarily close on early Friday for the Washington Department of Transportation to perform avalanche control. The closure will take place at 4 a.m. on ...

Two snowmobilers were killed, and two others were rescued after an avalanche slammed into their group in Washington state’s backcountry. The group was struck around 4 p.m. Friday in a remote area near ...