Modernized highways make mountain driving safe and generally would make less trouble even in cold weather.
Although winter driving can occasionally present some real challenges, road maintenance is good and plowing is prompt.
however, Winter survival kits should include snow tires or chains; a shovel; a window scraper; flares or a reflector;
a blanket or sleeping bag; a first-aid kit; sand, gravel, or traction mats. At any time of year you should carry a flashlight with
extra batteries; matches, a lighter, and candles; paper; nonperishable foods; a tow chain or rope; and plenty of water. Also,
in mountain areas, tire chains, studs, or snow tires are essential. If you're planning to drive into high elevations, be sure to check
the weather forecast and call for road conditions beforehand. Even main highways can close. It's also good to carry a cell phone,
but be aware that the mountains can disrupt service. If you do get stalled by deep snow, do not leave your car. Wait for help,
running the engine only if needed, and remember that assistance is never far away. Winter weather isn't confined to winter months
in the high country (it's been known to snow on July) so be prepared year-round.
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Winter driving 
