Road Conditions
(by phone)
- Weather Bureau:
(530) 221-5613
- Cal Trans: (800) 427-7623
- Oregon Roads:
(503) 588-2941
- Nevada Roads:
(877) 687-6237
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Snow Chain Requirements
- R1 (Modified) - Single Axle Trucks
- R1 - All Trucks & Vehicles without snow
tires.
- R2 - All Single Axle Trucks & Vehicles with
snow tires.
- R3 - All Trucks & Vehicles & 4x4s with snow
tires.
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