Donner Summit (Donner Pass) Live Road Status & Conditions

✓ OPEN • Updated 68 min ago • Elevation: 2212 m (7257 ft)
2212 m
Summit Elevation
I-80
Primary Highway
California
Region / State
United States
Country

Pass Overview & Driving Conditions

Historic and heavily traveled trans-Sierra interstate mountain pass carrying Interstate 80 between Sacramento, Truckee, and Reno.

⚠️ Alpine Driving Hazard Notice: High mountain passes are subject to rapid weather shifts, sudden freezing precipitation, dense fog, and black ice. Check weather forecasts and vehicle traction equipment before ascending.

Seasonal Operating Window

Kept open year-round with massive interstate rotary plows.

Winter Equipment & Traction Rules

Caltrans Chain Controls: R-1 (chains or snow tires), R-2 (chains mandatory on 2WD), R-3 (chains mandatory on all vehicles).

Nearest Fuel & Services

Summit regions feature limited emergency fuel and recovery assistance. Drivers should ensure minimum half a tank of fuel or 50% battery before commencing the alpine ascent. Cellular coverage may be intermittent.

Interactive Mountain Pass Map

Summit Coordinates: Latitude 39.3155, Longitude -120.3283. OpenStreetMap cartography.

Official Travel Disclaimer: Mountain pass road conditions change rapidly due to alpine snow, rockfall, and avalanche mitigation. Always confirm current status with local transportation authorities and law enforcement before travelling. LiveRoadStatus compiles official feeds and verified reports for navigational planning.