State Route 18 (Big Bear to Running Springs to San Bernardino)
Open – No Chains Required – R0
State Route 330 (Running Springs to Highland)
Open – No Chains Required – R0
State Route 38 (Big Bear City to Redlands)
OPEN – No Chains Required – R0
State Route 18 (Big Bear City to Lucerne Valley)
OPEN – No Chains Required – R0
Other Highways in the Big Bear Valley
OPEN – No Chains Required – R0
Highway 18/330 – Big Bear to Running Springs and Highland can be the most congested.
Consider using alternates Highway 38 to Mentone or Highway 18 to Lucerne Valley.
SNOW PLAY ON OR NEAR ROADWAYS IS VERY DANGEROUS – DON’T DO IT! – DON’T RISK IT!
IT’S THE LAW: Carry tire chains at all times during winter travel in the mountains!
ALWAYS BE AWARE OF POSSIBLE STORM DEBRIS ON ROADWAYS
LOOK AHEAD AND DRIVE WITH CARE
Caltrans Chain Control Requirement Levels:
R-0: No Restrictions
R-1: Chains or snow tread tires required. Snow tires must have a tread depth of 6/32″ with an M&S imprint on the tire’s sidewall.
R-2: Chains required on all vehicles, except four-wheel drives or all-wheel drives with snow tread tires on all four wheels. Four-wheel drives must carry chains in the vehicle. If you have four-wheel drive, engage it. Use 4-Low only if your vehicle becomes stuck.
R-3: Chains required on all vehicles, no exceptions.