Current Closures/Detours

Updated: April 2, 2026

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 eastbound Bronson Avenue off-ramp – anticipated reopening early April 2026 (see detour below).
  • CLOSED: Lyon St S to Westbound on-ramp – closed until spring 2026 (see detour below)
  • Nightly single lane closures both east and westbound, between 9 PM and 6 AM may occur during construction season.
  • Daytime single lane closures between 10 AM and 2:30 PM may occur during construction season.

Highway 417 Lane and Ramp Closure Detour Routes

City Street Closures

None at this time.

City Street Closure Detour Routes

None at this time.

Upcoming Detours

Updated: April 2, 2026

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

Future Highway 417 Lane and Ramp Closures

  • April 13, 2026: Highway 417 eastbound Lane 4 (rightmost lane) closed from Carling Avenue to the Rochester Avenue off-ramp – anticipated reopening late summer 2026

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 (2026)

Preston Street Structure

  • Deficiency repairs.

Bronson Avenue Structure

  • Deficiency repairs.

Percy Street Structure

  • Deficiency repairs.

Noise Walls and Retaining Walls

  • Noise barrier installation along the eastbound lane from Fairmont Avenue to Rochester is scheduled for 2026.
  • Noise barrier deficiency repairs westbound and eastbound lanes from Island Park Drive to Kent Street is scheduled for 2026.
  • Retaining wall repairs at Fisher Park Middle school are scheduled for 2026

Other Structures

  • Electrical and ATMS work in the median and shoulder between Island Park Drive and Kent Street is scheduled for 2026
  • The Drainage work on the median and shoulders between the O-Train and Kent Street is scheduled for 2026.
  • Surface paving and line painting on the westbound and eastbound lanes from the O-Train to Kent Street is scheduled for 2026.

Public Notices