UPDATED: April 16, 2024

Upcoming Detours

For updates in real time please visit Ontario 511

Future Highway 417 Lane and Ramp Closures

  • Parkdale eastbound on-ramp - April 28 - August 25, 2024
  • Parkdale eastbound off-ramp - April 29 - May 15, 2024
  • Westbound Rochester Street on-ramp - 4 weeks Spring 2024 (dates TBD) (see detour below).
  • Parkdale westbound off-ramp - June 16 - September 8, 2024
  • Rochester 417 eastbound off-ramp will be closed June 19 - October 8, 2024
  • Highway 417 will be reduced to 2 lanes east bound and 3 lanes west bound between Bronson Ave and Kent Street - July 2 to August 29, 2024
  • Westbound O'Connor on-ramp - July 2 - August 29, 2024

Future Detour Routes

  • Westbound O'Connor Street on-ramp - Click Here for detour map
    • Continue on Catherine Street and enter via the Bronson on-ramp.
  • Westbound Rochester on-ramp - Click Here for detour map
    • Take Rochester Street south, turn west on Carling Avenue and enter via the Carling on-ramp.
  • Eastbound Parkdale on-ramp - Click Here for detour map
    • Continue south on Parkdale Avenue, turn east on Carling Avenue, turn north onto Bronson Avenue, east onto Chamberlain Avenue, enter via Metcalf on-ramp to continue east on the Highway.

Future City Street Closures

  • Bronson Avenue lane reduction from Highway 417 Eastbound off-ramp to Catherine Street.
  • Preston Street lane reduction from Young Street to Saint Anthony Street - June 20th anticipated reopening Summer 2024.
  • Full closure of Preston Street from July to August 2024.
  • St Anthony Street to be closed during the Preston RBR in Summer of 2024.

Future City Street Detours

  • Preston Street full closure - Click Here for detour map
    • Vehicles will travel west on Gladstone Ave., turn south on Bronson Ave. and west on Carling Ave.
    • Pedestrians and Cyclists will travel west on Gladstone Ave., turn south onto the Trillium Multi-Use Pathway (MUP), and east on George Street West - Click Here for Pedestrian/Cyclist Detour