Santiam Pass was temporary closed for a few hours on the night of Oct. 9 due to snow. Several vehicles, including at least three freight trucks with trailers, slid off the highway.

Icy conditions also hit other mountain passes in the state in the days since.

ODOT has issued a warning for motorists planning to travel over mountain passes.

Road conditions are available via the internet at www.TripCheck.com Detailed maps updated in real time display road conditions and trouble spots, including weather, construction, maintenance and traffic incidents. It also provides detailed information on the use of traction tire and chains in Oregon.

TripCheck is now available in a special format for mobile devices such as cell phones and PDAs. Visit www.TripCheck.com/mobile for a handy menu of TripCheck features.

Road conditions also are available via phone at 5-1-1. Users may select updated reports about driving conditions by highway, mountain pass or major city from easy-to-use menus. The 511 system responds to both voice and touch-tone commands.

Those who cannot use 511 may call toll-free 800-977-ODOT (6368) for road and weather information. Outside Oregon, dial 503-588-2941. ODOT encourages motorists to pull off the road and park in a safe area before using cell phones.