UPDATED: July 2, 2025

Current Closures/Detours

For updates in real time please visit Ontario 511 and the City of Ottawa's Traffic Website.

Highway 417 Lane and Ramp Closures

  • CLOSED - O'Connor Westbound on-ramp - anticipated reopening August 29, 2025 (see detour below)
  • CLOSED - Highway 417 eastbound reduced to two lanes between Bronson Avenue and Kent Street - anticipated reopening August 29, 2025
  • CLOSED - Westbound Island Park Drive off-ramp - anticipated reopening October 2, 2025 (see detour below).
  • CLOSED - Westbound Parkdale on-ramp - anticipated reopening October 2, 2025 (see detour below).
  • CLOSED - Lyon St S to Westbound on-ramp - anticipated reopening Fall 2025 (see detour below).
  • CLOSED - Lane 4 (outside lane) on Highway 417 eastbound and westbound between Island Park Drive and Metcalfe Street - anticipated reopening 2025.
  • Nightly single lane closures both east and westbound, between 9 PM and 6 AM may occur during construction season.
  • Daytime single lane closures (center median) between 9 AM and 3 PM may occur during construction season.

Highway 417 Lane and Ramp Closure Detour Routes

  • Westbound O'Connor on-ramp - Click Here for detour map
    • Continue on Catherine Street and enter Highway 417 at the westbound Bronson Avenue on-ramp.
  • Westbound Island Park Drive off-ramp - Click Here for detour map
    • For the detour of the Island Park off-ramp, continue west on Highway 417 and exit at the Carling off-ramp. Turn north onto Kirkwood Avenue and then east onto Richmond Road to return to Island Park.
  • Westbound Parkdale on-ramp - Click Here for detour map
    • For the detour of the Parkdale on-ramp, travel south and turn right onto Carling Avenue. Continue onto the westbound Carling on-ramp

City Street Closures

  • CLOSED - Island Park Crescent Clarendon to Edina Street - anticipated reopening November 1, 2025 (see detour below).
  • CLOSED - Hinton Avenue North (Tyndal Street to dead end) and Hinton Avenue South (Sherwood Drive to Dead end) - anticipated reopening October 1, 2025 (see detour below).
  • CLOSED - Orangeville Street from Rochester Street to Booth Street anticipated reopening November 2025 (see detour below).

City Street Closure Detour Routes