Conditions change by the hour at elevation — always check the agency's own status page before you drive.

Opening watch

Every pass on the roster, one board. While the plows work — roughly March into July — the status column updates daily. Any road, any hour: the agency link is the word to trust before you drive.

Pass State Elev (ft) Usually open by This year Official report
Artist Point Washington 5,160 July 1 — WSDOT
Beartooth Highway Montana 10,947 May 26 — MDT
Cayuse Pass Washington 4,675 May 7 — WSDOT
Chinook Pass Washington 5,430 May 25 — WSDOT
Crater Lake Rim Drive Oregon 7,865 July 9 — Crater Lake NP
Dunraven Pass Wyoming 8,859 — — Yellowstone NP
Ebbetts Pass California 8,730 — — Caltrans
Glacier Point Road California 7,214 May 14 — Yosemite NP
Going-to-the-Sun Road Montana 6,646 June 12 — Glacier NP
Independence Pass Colorado 12,095 May 26 — CDOT
Kuwohi Road Tennessee 6,300 — — Great Smoky Mountains NP
Lassen Park Highway California 8,512 June 2 — Lassen Volcanic NP
McKenzie Pass Oregon 5,325 — — ODOT
Medicine Wheel Passage Wyoming 9,430 May 24 — WYDOT
Mirror Lake Highway Utah 10,715 May 31 — UDOT
Monitor Pass California 8,314 — — Caltrans
Mount Blue Sky Scenic Byway Colorado 14,130 — — CDOT
Mount Washington Auto Road New Hampshire 6,288 — — the Auto Road
North Cascades Highway Washington 5,477 April 23 — WSDOT
Old Fall River Road Colorado 11,796 June 30 — Rocky Mountain NP
Rampart Range Road Colorado 9,200 — — Pike National Forest
Snowy Range Pass Wyoming 10,847 — — WYDOT
Sonora Pass California 9,624 — — Caltrans
Sunrise Park Road Washington 6,400 — — Mount Rainier NP
Sylvan Pass Wyoming 8,530 May 4 — Yellowstone NP
Tioga Pass California 9,943 May 22 — Yosemite NP
Trail Ridge Road Colorado 12,183 May 28 — Rocky Mountain NP

Statuses here are trip-planning information, never a road-safety or access guarantee. Conditions change by the hour at elevation — check the agency's page before you drive.