Trim Road Widening and Realignment OR 174 to Innes Road - Overview

Trim Road Realignment – OR174 to Innes Road
St. Joseph Boulevard Widening – OR 174 Ramp to Trim Road
Old Montreal Widening – Trim Road to Cardinal Creek

The City of Ottawa has completed the detail design assignment for the widening and realignment of Trim Road, from OR174 to Innes Road, as recommended in the City’s Transportation Master Plan (TMP) (2008).

A Schedule ‘C’ Environmental Assessment (EA) for this project was previously completed in September 1998 with subsequent Addendum in August 2002 and June 2012.

The City undertook a public tender process in the summer of 2012 and has awarded the construction contract to Coco Paving Inc.

Project Overview

Construction Schedule

  • Work expected to be completed by June 2016.

The project limits are as follows:

  • Trim Road – OR 174 to Innes Road
  • St. Joseph Boulevard – Tenth Line Road to Trim Road
  • Old Montreal Road – Trim Road to Cardinal Creek
  • Watters Road – Montcrest Drive to Everlasting Crescent

The proposed works include:

  • Roadways – 4-lane, urban, cross section with bike lanes, concrete sidewalks/multiuse pathway facilities on both sides.
  • Reduced road grade on Trim Road between St. Joseph/Old Montreal Roads and Watters Road.
  • Watermains along St. Joseph Boulevard, Trim Road and Watters Road.
  • Storm sewers throughout the project limits.
  • A stormwater management pond located east of the Trim Road Park and Ride
  • Box culverts on Taylor Creek at St. Joseph Boulevard and on a Cardinal Creek Tributary at Trim Road (south of Springridge/ Portobello).
  • Streetlighting throughout the project limits.
  • Roundabouts at the Trim/Dairy/Taylor Creek  intersection and the Trim/St. Joseph/Old Montreal intersection.
  • Landscaping throughout the project limits.
  • Traffic Signals at Trim/OR 174, Trim/Watters, Trim/Portobello/ Springridge, Trim/Frank Kenny/Cardinal Creek Park Entrance, Trim/Valin intersections.

Utility relocations are required by:

  • Hydro One
  • Bell
  • Rogers
  • Enbridge

Overall Plan

Key Plan map showing projects limits

Typical Cross Sections

Drawing identifying the number of proposed lanes for Trim Road and St. Joseph Boulevard

Project Metrics

  • Lane kilometres of road – 26.2 kilometres
  • Pipe Lengths:  Sewer – 5,250 metres, Large diameter watermain – 2,300 metres, Local watermain – 2,600 metres
  • Earth Excavation – 345,000 cubic metres
  • Granulars – 365,000 tonnes
  • Asphalt – 47,000 t
  • Street lights – 160 units
  • Electrical cabling – 30,000 metres
  • 10,000 Trees


What to Expect During Construction

  • Access to all properties is to be maintained however minor disruptions for concrete placement and curing may be required.  Notification will be provided to affected property owners.
  • Hard surfaces are to be maintained for pedestrian access.
  • OC Transpo service and bus stop locations are to be maintained.

Should you have any inquiries, please do not hesitate to contact the following:

Joe Mojsej, P.Eng., Senior Project Manager
City of Ottawa
100 Constellation Crescent, 6th Floor
Ottawa, ON  K2G 6J8
Tel.:  (613) 580-2424 ext 16203
Fax:  (613) 560-6064