Current Closures/Detours

Updated: October 23, 2025

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

Highway 417 Lane and Ramp Closures

  • CLOSED: Highway 417 westbound Parkdale Avenue on-ramp – anticipated reopening November 3, 2025.
  • CLOSED: Highway 417 eastbound Bronson Avenue off-ramp – anticipated reopening November 28, 2025 (see detour below).
  • CLOSED - Westbound Island Park Drive off-ramp - anticipated reopening November 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

  • Eastbound Bronson off-ramp – Click here for detour map
  • Westbound Parkdale 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.

City Street Closures

  • CLOSED - Orangeville Street from Rochester Street to Booth Street anticipated reopening November 2025 (see detour below).

City Street Closure Detour Routes

  • Orangeville Street Closure - Click here for detour map
    • Travel south on Rochester Street, turn east on Carling Avenue and north on Lebreton Street.

Upcoming Detours

Updated: October 23, 2025

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

Future Highway 417 Lane and Ramp Closures

None at this time

Future Detour Routes

None at this time

Future City Street Closures

  • Bronson Avenue lane reduction from Highway 417 Eastbound off-ramp to Catherine Street.

Future City Street Detours

None at this time

Current Construction Activities

Preston Street Structure

  • Finishing works are still ongoing.

Bronson Avenue Structure

  • Finishing works are still ongoing.

Percy Street Structure

  • Finishing works are still ongoing.

Noise Walls and Retaining Walls

  • Noise barrier installation on Booth Street and Rochester Street is still ongoing.
  • Kent Street off-ramp noise barrier installation is ongoing.
  • Noise barrier installation westbound and eastbound lanes from Booth Street to Bronson Avenue is ongoing.
  • Noise barrier installation on the north side of Percy bridge is ongoing.
  • Retaining wall construction from Orangeville Street to Bell Street is ongoing.
  • Retaining wall construction on Percy Bridge is ongoing (NE and SW).
  • Retaining wall construction on Bronson Bridge is ongoing (NE, SE, NW, and SW).
  • Retaining wall and noise wall construction from Percy Street to Kent Street is ongoing.
  • Retaining wall construction on between Harmer Avenue and Huron Ave S will begin April 2025.
  • Retaining wall construction on Island Park Crescent will begin April 2025.

Other Structures

  • Sewer line installation near Lyon Street off-ramp is ongoing.
  • Storm line construction from Percy Street to Kent Street is in ongoing.
  • The Drainage work on the South Side of Hwy 417 between Bronson and Percy is ongoing.
  • Drainage work on the Bronson retaining walls is ongoing.
  • Tree clearing and grubbing operations between Parkdale and island Park Drive will begin April 2025.
  • Trenchless crossing at Rochester W-N/S Off ramp is ongoing.

Public Notices