10:30 p.m. update: Route 42 is now open.
Motorists in Columbia County are advised that Route 42 is closed between Eyersgrove Road in Greenwood Township and Black Run Road in Madison Township due to a vehicle crash.
A detour is in place using Black Run Road, Route 44 and Route 254.
The crash scene is expected to take several hours to clear.
Motorists can check conditions on more than 40,000 roadway miles by visiting www.511PA.com. 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information and access to more than 770 traffic cameras.
511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following regional Twitter alerts accessible on the 511PA website.