I don't usually work on this sort of thing, but very recently I have been writing about hazards caused by the cryosphere. A major hazard is of course the avalanche - whether ice, snow, or a mixture.
This video was posted on You tube (with the tag line "Courtesy Vertical Solutions"), and it shows the impact of a snow and ice avalanche on the Alaskan road network on the 26 January 2014.
I tweeted it yesterday and the glaciologist Mauri Pelto replied
I'll try to remember to keep an eye online to see the outcome.