A crash involving a diesel spill caused lane closures on Highway 401 in Milton during Monday morning’s commute.

According to the Ontario Provincial Police, the collision occurred at approximately 8:30 a.m. in the westbound lanes near Regional Road 25, forcing the closure of two lanes.

The crash resulted in a diesel spill, prompting cleanup efforts and traffic delays. Police advised motorists to use caution and expect slower travel through the area.