State Troopers, snow plows, and tow trucks are being kept busy in northern Ashtabula County as highways near Lake Erie are being slammed with snow.

The Ohio Highway Patrol is investigating reports of cars and trucks sliding off Interstate 90, which runs parallel to the lake shore.

Under a Lake Effect Snow Warning Until 10 p.m. Thursday night, the Ohio Department of Transportation was reporting travel delays of up to 42 minutes along Interstate 90 as of 4:15 a.m. Traffic slowdowns are also reported on I-90 in Erie County, Pennsylvania.

A highway traffic camera shows heavy snow at the intersection of I-90 and State Route 11.

The forecast in Ashtabula County calls for overnight snow accumulation of 3 to 7 inches, with another 2 to 4 inches later Thursday.