Tractor-trailer catches fire near I-70 toll plaza; traffic backed up I-70 eastbound and westbound has been closed near the I-70 toll plaza because of a tractor-trailer fire and multi-vehicle incident about 2:36 p.m., according to the Kansas Department of Transportation. The location of the toll plaza is in Leavenworth County. Traffic is backed up to Wyandotte County, east of K-7. (KC Scout photo)