Сообщение от Anqrew

Вот описание технологии, более детального, к сожалению, не нашел (тут лед не срезают, а просто крошат на месте):

The Alaska Department of Transportation and Public Facilities uses a variety of advanced technologies to combat extreme winter weather. This year it became one of the first agencies in the country to deploy an icebreaker. The device, which attaches to the front of a maintenance truck, uses a steel drum with spikes to break up ice and expose asphalt. The device, which can be raised and lowered like a snow plow blade, turns smooth ice on top of roadways into a rough surface that provides better traction for vehicles.