RV route guide
I-80 Donner Summit — California / Nevada
Sacramento to Reno via the Sierra Nevada. 7,200 ft summit.
Interstate 80 between Sacramento and Reno crosses Donner Summit (7,239 ft), the highest interstate pass in California. The route was originally a transcontinental railroad pass, then a US highway, now an interstate. Winter operations include CHP chain controls and seasonal road closures during major storms.
- Tier
- Clearance + restriction
- State
- California
- Sources
- Cited official (.gov / .org)
Is I-80 over Donner open in winter?
Mostly yes. Caltrans plows aggressively. During major storms, the route closes temporarily — sometimes for several days. CHP chain controls activate during snow events. Check Caltrans QuickMap and CHP before any winter Sierra crossing.
- Year-round mostly open
- Storm closures possible
- CHP chain controls in snow
- 6% grades
- Highest CA interstate pass
What Caltrans + CHP doesn't tell you
Donner Summit is heavily managed. Caltrans plows. CHP enforces chain controls. The route is reliable in winter compared to many other passes.
RV travelers heading Sacramento-Reno-Tahoe routinely use I-80. Verify status before winter transit.
- Caltrans QuickMap: Live status.[source]
Frequently asked questions
- Are there RV-friendly campgrounds near Donner Summit?
- Donner Memorial State Park near Truckee, Sugar Pine Point near Tahoma. Both accept RV reservations.
Authoritative sources
Verify current conditions with state DOT 511 systems before departure. RV restrictions may change. Weather may close roads.
Planning an RV trip along I-80 Donner Summit?
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