Traffic was very slow on Monday morning on the westbound 401 approaching Cobourg for a few hours.
A single-vehicle collision happened on the westbound 401 at Nagle Road around 5:23 am.
The right lane and right shoulder were closed, having a major impact on westbound traffic during the morning rush.
No word yet on injuries in the crash.
They cleared the scene with traffic returning to normal around 8 am.
(PAUL MARTIN)
