Everything was silent on the Interstate 70 corridor for a moment Wednesday afternoon as the Colorado Department of Transportation held traffic a few miles east of the Eisenhower-Johnson Memorial ...

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 ...

The Washington State Department of Transportation says a new remote-controlled system will replace the aging artillery once used to trigger avalanches over Snoqualmie Pass, marking a major safety and ...

US 2 at Stevens Pass will temporarily close on early Friday for the Washington Department of Transportation to perform ...

CHEYENNE n Gov. Dave Freudenthal said he will ask the Legislature for money to buy a backup howitzer to use for avalanche control on Sylvan Pass. In a letter to Suzanne Lewis, superintendent of ...

SALT LAKE CITY (AP) — The Utah Department of Transportation says it will discipline two avalanche safety workers who misfired a cannon in Provo Canyon, sending a 105 mm howitzer round over a hill and ...