Badger Pass

Live chain control & road conditions on the way to Badger Pass via SR-120, SR-140 and SR-49

Eastbound via

Chain control right now · Groveland • CA-120

Roads are clear of snow

Currently chain-free, but always travel with chains

Updated Oct 2, 8:06 AM PT · Caltrans / NDOT data via Snowy Roads

No chain controls are expected on CA-120 through Thursday.

Chance of chain controls on CA-120 over the next 3 days: less than 1 in 20.

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1 live cam

Bruin Run

Badger Pass

Chain control basics

Winter driving tips

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Chain control levels explained: R-1, R-2 and R-3

R-1

Chains required except with snow tires

Chains not required on vehicles with snow-tread tires (you must still carry chains). Snow tires must be installed on all four wheels.

R-2

Chains required except 4-wheel drive with snow tires

Chains not required on four-wheel / all-wheel drive vehicles with snow-tread tires (you must still carry chains). Snow tires must be installed on all four wheels.

R-3

Chains required on all vehicles, no exceptions

Everyone must put on chains, including vehicles with four-wheel / all-wheel drive & snow tires. Roads are often closed before R-3 chain control.

What are snow-tread tires?

Snow-tread tires have a deep and aggressive tread pattern, they can be identified by examining the sidewall of the tire, look for:

Three-peak Mountain Snowflake Symbol

M/S

M+S

MUD AND SNOW

All possible restriction levels

R-0	No chain controls are in effect at this time.
R-1	Chains, traction devices or snow tires are required on the drive axle of all vehicles except four wheel or all wheel drive vehicles.
R-1 MODIFIED	Trucks and vehicles pulling trailers require chains, traction devices or snow tires on the drive axle of all vehicles except four wheel or all wheel drive vehicles.
R-2	Chains or traction devices are required on all vehicles except four wheel / all wheel drive vehicles with snow treaded tires on all wheels.
R-3	Chains or traction devices are required on all vehicles, no exceptions.
ESC	The California Highway Patrol is escorting all traffic due to weather conditions.
TH	All truck trailer combinations are being held at the chain control camper due to incidents or weather related conditions.
TS	All trucks must stop at the chain check point, Caltrans is currently screening for chains. Drivers must have maximum chains in their possession in order to proceed. Trucks without chains will be turned around. Permit loads are prohibited over the summit.
TTA	All truck trailer combinations are being turned around at the chain control camper due to traction problems over Donner Summit.
TTS	All single axle drive trucks pulling a trailer are being turned around at the chain control camper due to traction problems over Donner Summit.
TTSD	All single axle drive trucks pulling a set of doubles are being turned around at the chain control camper due to traction problems over Donner Summit.
VM	A traffic control is in effect to meter vehicles at the chain check point in order to reduce traffic congestion in the mountain areas.
HT	All traffic is being held at the chain control check point due to incidents or weather related conditions.
MIN	Truck chain requirements are minimum for all trucks using Donner Summit.
MAX	Truck chain requirements are maximum for all trucks using Donner Summit.
W	No Restrictions - Watch for snow on pavement.
RC	Closed to traffic.
Road Closed	Closed to traffic.
Not Reported	Condition Not Reported