Snow plowing priorities

The following tables show the typical snow plowing priorities that the county highway departments follow when maintaining the state's highways during the winter season. 

Interstate/freeway
First priority	Driving lanes, paved shoulders, ramps, interchanges, and passing lanes
Second priority	State maintained side roads and frontage roads
Third priority	Shoulders, rest area ramps
Clean up (non-overtime hours)	Shoulders, ramp gores, bridge decks (outside driving lanes), rest area parking, barriers, guardrail, weigh stations, crossovers, park-and-ride lots

Expressway
First priority	Driving lanes, paved shoulders, ramps, interchanges, and passing lanes
Second priority	Turn lanes, intersections, interchanges, two-way-left-turn-lanes, state maintained side roads and frontage roads
Third priority	Shoulders, rest area ramps
Clean up (non-overtime hours)	Shoulders, ramp gores, bridge decks (outside driving lanes), rest area parking, barriers, guardrail, crossovers, two-way-left-turn-lanes, park-and-ride lots, roadside facilities (when open)

Two lane highways
First priority	Driving lanes, paved shoulders, intersections
Second priority	Intersections, passing lanes, climbing lanes
Third priority	Shoulders, two-way-left-turn-lanes
Clean up (non-overtime hours)	Shoulders, islands, medians, bridge decks (outside driving lanes), guardrail, walkways, park-and-ride lots, roadside facilities (when open)

Exceptions

The above plowing priorities are intended as a guide for winter operations and changes may be deemed appropriate based on local conditions.