I-70W – Traction Law Code 15
Between C-470 (near Lakewood) and CO 103 (Idaho Springs) from Mile Point 259 to Mile Point 241. Passenger vehicles that are all-wheel drive (AWD) or four-wheel drive (4WD) must have winter (Mountain Snowflake icon) or mud and snow (M+S or M/S) or manufacturer rated all-weather tires with adequate tread depth of at least 3/16 of an inch. Two-wheel drive (2WD) vehicles are required to have chains or an approved traction device.
