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
State Route 18 (Big Bear Lake to Running Springs)
OPEN – No Chains Required – R0
Highways in the Big Bear Valley
OPEN – No Chains Required – R0
Highway 330 (Running Springs to Highland)
OPEN – No Chains Required - R0
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.
IT’S THE LAW: Carry tire chains at all times during winter travel in the mountains!
