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April 6 - Highway 174 Westbound at Blair Road - Overnight Full Closure

As part of the Stage 2 O-Train Light Rail Transit (LRT) project, motorists travelling Highway 174 westbound should anticipate mobility impacts.

Highway 174 westbound at Blair Road will be fully closed overnight. Highway 174 eastbound remains open

Saturday, April 6 at 8:00 p.m. to 6:00 a.m. on Sunday, April 7.

Guardrail installation and traffic control barrier relocation.

Highway 174 westbound at Blair Road.

The construction work outlined in this notice is subject to change. Work may be delayed or extended due to weather or other unforeseen circumstances.

Motorists travelling westbound on Highway 174 will exit at Blair Road, proceed south on Blair Road, and then re-enter Highway 174 using the westbound Blair Road on-ramp.

This image is of a map, showing the highway in yellow and the work zone as an orange-hatched rectangle. The detour is shown as a blue dashed line.

Anticipated Impacts
Motorists should adhere to detours, traffic control signage, posted speed limits, allow for added travel time and use extra caution when moving through active construction corridors as traffic patterns change.

Accessibility is an important consideration for the Stage 2 LRT project. If you require special accommodation due to this work, please contact

The safety of the public and workers is paramount. Thank you for your patience during construction.

Please note:  For your awareness, the following link should be used to view updates or changes to traffic impacts (this link is updated on Fridays by 12 noon).

To receive these electronic updates please sign up at and select updates for “Montreal Station”. For other accommodations, or questions, please contact:

Stage 2 Team
Rail Construction Program | Programme de construction du train léger
Transit Services Department | Direction générale des transports

City of Ottawa | Ville d’Ottawa | Extension de l'O-Train | OC Transpo