Updated 1 p.m. Jan. 18, 2012

Winter appears to have finally arrived in Siskiyou County and chain controls are in effect Wednesday morning, Jan. 18, on Interstate 5 and Highway 89 in Siskiyou County.

Northbound I-5 at Fawndale is open as of 1 p.m., but Caltrans warns motorists to expect delays. Vehicles are being checked for chains.

Chain controls are in effect from 10 miles north of Redding to South Weed.

Previous update:

As of noon, Caltrans’ website is reporting a traffic collision with major injuries in the northbound lane of I-5 at Volmers, south of Dunsmuir.

A traffic hazard is also reported in the northbound lane at Wonderland.

R-I chain controls are in effect from 16 miles south of Dunsmuir to a half mile south of the junction of I-5 and SR89.

Chains, traction devices or snow tires are required on the drive axle of all vehicles except four wheel or all wheel drive vehicles.

R-2 chain controls are in effect from a half mile south of the junction of I-5 and SR89 to south Weed.
Chains or traction devices are required on all vehicles except four wheel / all wheel drive vehicles with snow treaded tires on all wheels.

R-2 chain controls are also in effect through the town of McCloud on SR89.

Chains are required on all vehicles except four-wheel drive vehicles unless towing over the Siskiyou Summit in Oregon.

Details can be found at: http://quickmap.dot.ca.gov/ and www.tripcheck.com.