UPDATE:

After hours of partial closures, all lanes of Interstate 80 through Wyoming have been reopened to traffic.

UPDATE:

The westbound lanes of Interstate 80 between Cheyenne and Rawlins have reopened to traffic.

The Wyoming Department of Transportation says motorists should expect slick roads and are urging drivers to take it slow.

I-80 eastbound between Evanston and Rawlins remains closed. No word on when that 200-mile stretch may reopen.

ORIGINAL STORY:

The westbound lanes of Interstate 80 between Cheyenne and Rawlins remain closed due to winter conditions.

The eastbound lanes are open, but the Wyoming Department of Transportation is reporting slick roads with snowfall. A black ice advisory is also in effect between Walcott Junction and Wagonhound Road.

Drivers are encouraged to dial 511 or go to wyoroad.info for the latest road conditions.