The passes drivers actually plan around — with live DOT cameras and real-time closures for each one, so you can see the snow, chains, and traffic on the summit before you commit to the climb.
The busiest pass in Washington and the main Seattle–Eastern Washington route. Avalanche closures each winter.
See conditions → US-2 · WashingtonThe higher, snowier northern Cascade crossing, home to the Stevens Pass ski area.
See conditions → I-5 · OregonThe highest point on all of Interstate 5, and the winter wildcard between Oregon and California.
See conditions → I-5 · CaliforniaTejon Pass — the spot most likely to close Southern California's main north–south route in a storm.
See conditions → I-80 · CaliforniaOne of the snowiest stretches of interstate in America. Chain controls are the winter norm.
See conditions → I-15 · CaliforniaThe LA-to-Las Vegas chokepoint — a wind, snow, and wildfire funnel between the basin and the High Desert.
See conditions → I-80 · UtahParleys Canyon — the steep, snowy climb out of Salt Lake toward Park City and the Wasatch ski country.
See conditions → I-70 · ColoradoThe highest point on the entire U.S. Interstate System — traction and chain laws are common on the approach grades.
See conditions → I-70 · ColoradoThe exposed, above-treeline stretch of I-70 between the tunnel and Vail — one of the more frequently restricted crossings on the corridor.
See conditions → I-84 · OregonThe 6 percent grade on I-84 east of Pendleton. ODOT cameras on the hill, with the runaway ramps and the chain-up area on the map.
See conditions → SR 410 · WashingtonA ski resort, not a highway pass — live cameras and alerts for the whole drive from Seattle, plus the Chinook Pass winter closure just past it.
See conditions → I-84 · OR 237 · OregonOregon's most remote ski area — live ODOT cameras on the I-84/OR 237 approach, and an honest note on where the live data stops.
See conditions → UT-210 · UtahThe road to Snowbird and Alta — 64 avalanche paths, mandatory snow tires Nov 1 to May 1, and a toll and gondola plan on the way.
See conditions →Each pass page pulls live cameras and closures straight from the state DOT (WSDOT, ODOT, Caltrans, UDOT). For the whole route, see the I-5 corridor, every highway camera, or the US road closures map. To track your exact mile marker over any pass hands-free, get the MileCheck app for CarPlay and Android Auto.
The Monthly Highway Report
Your state's reported closures, crashes and roadwork, once a month by email. See the September report. No spam.
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