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 ...
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 ...
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Avalanche cannons along Colorado's I-70 retired, replaced with new remote control system
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 ...
Getting your Trinity Audio player ready... Colorado transportation officials plan to nearly double the number of remotely controlled avalanche blasters installed on mountain ridges above highways, a ...
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