Big rigs not allowed on I80 or US50; Chain controls in place over Lake Tahoe area roads

SOUTH LAKE TAHOE, Calif. - Heavy traffic over Donner Summit on I-80, an incoming snowstorm and slick conditions have led Caltrans officials to not allow any commercial tractor-semitrailer combinations on the highway from Applegate to the state line. They estimate this will be the case until Monday morning.

Many of those big rigs were coming over US-50 and Echo Summit, but no longer. The commercial semis 65-feet and longer are no longer allowed over the summit. It is unknown at this time when they will be allowed.

A Winter Storm Warning is in effect until 10:00 a.m. Monday. with heavy snow and winds up to 100 mph at upper elevations. At lake level, there will be rain and snow through Monday. NWS Reno predicts 3-5 inches of snow Saturday night with less than an inch on Sunday. Precipitation Sunday night could be up to one inch.

Road controls as of 8:00 p.m. Saturday:

US50
Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on US-50 from Glenbrook to mile post 1.0 in Carson City County in Nevada.

Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on US-50 from mile post 59.8 in El Dorado County to mile post 70.6 in El Dorado County in California.

I80
Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on I-80 from mile post 49.0 in Placer County to mile post 14.2 in Nevada County in California.

SR207
Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on SR-207 from US-50 Junction to Dagget Pass Chain Up Area in Nevada.

SF267
Chains or Snow Tires Required - on SR-267 from mile post 3.8 in Placer County to mile post 0.0 in Nevada County in California.

Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on SR-267 from mile post 9.9 in Placer County to mile post 3.8 in Placer County in California.

CA88
Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on CA-88 from mile post 45.4 in Amador County to mile post 19.2 in Alpine County in California

CA89
Chains or Snow Tires Required - on CA-89 from mile post 23.1 in Sierra County to mile post 0.0 in Plumas County in California.

Chains or Snow Tires Required - on CA-89 from mile post 17.1 in El Dorado County to mile post 0.5 in Nevada County in California.

Chains or Snow Tires Required - on CA-89 from mile post 5.0 in Nevada County to mile post 15.1 in Sierra County in California.

Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on CA-89 from mile post 8.6 in El Dorado County to mile post 17.1 in El Dorado County in California.

Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on CA-89 from mile post 21.4 in Alpine County to mile post 6.7 in El Dorado County in California.

SR28
Chains or Snow Tires Required - on SR-28 from mile post 2.7 in Placer County to mile post 11.0 in Washoe County in California.

Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on SR-28 from mile post 0.0 in Placer County to mile post 2.7 in Placer County in California.

SR431
Chains Required, All Vehicles Except 4-Wheel Drive with Snow Tires - on SR-431 from Diamond Peak to Thomas Creek Road in Nevada.