R-270 · Route File
Yosemite National Park, California · United States
The high Highway 120 crossing through Yosemite from Crane Flat across Tuolumne Meadows to Tioga Pass and the eastern Sierra.
red · Operational constraint
When the road is closed, a trans-Sierra vehicle crossing through Yosemite is impossible and the available detours add hundreds of kilometres.
Planning response: Confirm the live National Park Service road status before using Tioga Pass and replace it with an open Sierra crossing when closed.
Seasonal windows are planning triggers, not a substitute for current road, weather or land-access reports. Recheck the official sources below before departure.
Route tire evidence
No reviewed tire observation is published for this route.
No tire name is inferred from route popularity, forum mentions or marketing. A report appears only after its tire, motorcycle, route context, date and named source are reviewed.
Route-specific references
Information tied directly to this road, track or route.
Regional reference desk
Shared road, weather and access services used across Route Files in this region.
Caltrans QuickMap
official · California Department of Transportation
Current California closures, incidents, chain controls, cameras and road conditions
Caltrans highway conditions
official · California Department of Transportation
Text road conditions, closures, restrictions and chain controls by highway
Caltrans planned lane closures
official · California Department of Transportation
Current and planned lane closures by district and statewide
Field Links are reviewed references, not live guarantees. Conditions, closures, services and regulations change. Confirm critical information with the responsible authority before relying on it.