Updated 8:28 AM PDT
Chain control now
Chain controls in effect in California and Washington and Oregon, as the DOT reports them.
No chain controls in effect in California or Washington or Oregon right now.
Not on Live Roads yet
- Colorado: check COtrip.
What the levels mean
- R1
- Chains or snow tires required.
- R2
- Chains required, except 4WD/AWD with snow tires.
- R3
- Chains required on all vehicles.
California's levels. Washington and Oregon post the same rules in words; Colorado runs a traction law on I-70 from September to May, with chain laws for trucks.
Passes
- Donner Pass
- Echo Summit
- Carson Pass
- Tejon Pass (the Grapevine)
- Cajon Pass
- Tioga Pass
- Sonora Pass
- Ebbetts Pass
- Snoqualmie Pass
- Stevens Pass
- White Pass
- Blewett Pass
- Chinook Pass
- Siskiyou Summit
- Santiam Pass
- Mount Hood (Government Camp)
- Willamette Pass
- Deadman Pass (Cabbage Hill)
- Eisenhower Tunnel
- Vail Pass
- Loveland Pass
- Berthoud Pass
- Monarch Pass
- Wolf Creek Pass
- Red Mountain Pass