We had an episode one morning in December when the schools didn't delay opening, and buses got stuck trying to ascend the hill to the high school. There were fender benders all over town because the light rain turned to sleet then ice when it hit the roads. It warmed up within a couple of hours, but it was a mess until then.
They have some trucks. They usually spread sand but you can only count on the major highways being cleared on day one.