Highway 1 closures for demolition of old Mountain Highway overpass

To accommodate the demolition of the old Mountain Highway overpass, Highway 1 between the Lynn Valley Road and Fern Street interchanges will be closed from 11pm to 5am on these days:

  • Saturday April 27
  • Sunday, April 28
  • Friday, May 3
  • Saturday, May 4
  • Sunday, May 5

These detours will be in place during the closures.

Map showing detour routes for Hwy closures in April and May, 2019


This is noisy work, requiring the use of jackhammers and excavators for the removal of concrete. Crews will do their best to keep noise to a minimum. Nearby residents should expect noise during overight hours.

Learn more about MoTI's Lower Lynn improvements