Current Closures/Detours
Updated: April 24, 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: 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
None at this time.
City Street Closures
None at this time.
City Street Closure Detour Routes
None at this time.
Upcoming Detours
Updated: April 24, 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
Highway 417 eastbound Lane 4 (rightmost lane) 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
April 2, 2026 – Notice of construction start-up (2026) and lane closure, April 13 to late summer 2026
October 15, 2025 - Notice of lane and ramp closures, October 17-20
October 2, 2025 - Notice of lane closures October 3-6, 2025
October 2, 2025 - Notice of eastbound Bronson off-ramp closure
September 11, 2025 - Notice of road and ramp closures September 19-21
June 18, 2025 - Notice of Median Work July-August 2025
May 12, 2025 - Hwy 417 Eastbound Parkdale Off-Ramp Closure
April 1, 2025 - Hwy 417 westbound Island Park off-ramp and Parkdale off-ramp closure
Mar 10, 2025 - Notice of Construction 2025
Mar 10, 2025 - Island Park Crescent road closure
Mar 10, 2025 - Hinton Avenue North and South road closure
Feb 11, 2025 - Hwy 417 Rochester Westbound On-Ramp Closure
Aug 26, 2024 - Hwy 417 Kent Street Eastbound Off-Ramp Closure
July 3, 2024 - Preston Street Rapid Bridge Replacement Closure/Detour Notice
May 31, 2024 - Hwy 417 Rochester Eastbound Off-Ramp Closure
May 31, 2024 - Hwy 417 Rochester Westbound On-Ramp Closure
May 31, 2024 - Hwy 417 Parkdale Westbound Off-Ramp Closure
April 26, 2024 - Hwy 417 Parkdale Eastbound On-Ramp Closure
April 6, 2024 - Hwy 417 Parkdale Eastbound Off-Ramp Closure
October 6, 2023 - Percy Street Rapid Bridge Replacement Closure/Detour Notice
September 6, 2023 - Closure of Hwy 417 Eastbound Kent Street Off-Ramp
June 22, 2023 - Bronson Avenue Rapid Bridge Replacement Closure/Detour Notice
June 1, 2023 - June7-10 Raymond Street Closure
April 26, 2023 - Percy St. Pedestrian/Cyclist Closure
April 3, 2023 - Bronson Avenue Off Ramp Closure