UPDATED: July 25, 2024

Upcoming Detours

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

See below for details on the upcoming Preston Street Rapid Bridge Replacement.

Future Highway 417 Lane and Ramp Closures

  • Westbound O'Connor on-ramp - 2025

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.

Future City Street Closures

  • Bronson Avenue lane reduction from Highway 417 Eastbound off-ramp to Catherine Street.
  • Full closure of Preston Street from July 17 to August 6, 2024.
  • St Anthony Street to be closed during the Preston RBR in Summer of 2024.

Future City Street Detours