If you are planning on heading West on the 401 Saturday night you will have to change your plans.
The 401 will be closed West of London in both directions for several hours.
All lanes closed between Col. Talbot Rd. and Iona Rd will be closed from 8 pm Saturday until 8 am Sunday morning.
They are completing the bridge work on the Mill Rd. underpass.
Detours will be in effect.