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William Halton Parkway Extension Project


About this project

Construction of the new corridor is happening in two phases and Phase 1 started in 2018. Residents and motorists can expect to see a new, complete corridor with the following improvements between Third Line and Ninth Line:

  • New roadway
  • Roundabouts
  • Traffic signals
  • Bridges
  • Sewer back up prevention
  • Maintaining clean drinking water
  • Multi-use pathways
  • Bike lanes
  • Sidewalks

Project details

  • Status: Construction/Design
  • Start: 2018
  • End: 2026 
  • Project #: PR-2538 / PR-2263D / PR-2263E/F/G

Project updates

To service growth and increasing traffic demands, Halton Region is pleased to announce that the new William Halton Parkway West (Reg. Rd. 40), from Sixth Line to Neyagawa Boulevard (Reg. Rd. 4) on November 3, 2023, Ward 7, in the Town of Oakville, is now open.

This road extension provides safe travel options to motorists, pedestrians, cyclists and first responders. William Halton Parkway West now has:

  • a new 4-lane roadway between Sixth Line and Neyagawa Blvd (Reg. Rd. 4);
  • new on-road bike lanes, multi-use pathways and sidewalks;
  • new street lighting and landscaping; and
  • a new non-signalized intersection at William Halton Parkway West and Burnhamthorpe Road West

Please Note: Intermittent construction works may continue to take place within the project limits following the road opening. Please exercise caution when driving through any construction in the area.

Read the Notice of Road Opening (external link)

Project renderings and photographs

Explore the images below for what you can expect to see once improvements are complete.

Renderings

View of William Halton Parkway at Sixth Line.
View of William Halton Parkway at Sixth Line.

Improvements include:

  • new two-lane road
  • new two-lane roundabout
  • new street lighting
  • new multi-use pathway
  • new landscaping
View of William Halton Parkway
View of William Halton Parkway.

Improvements include:

  • new two-lane road
  • new two-lane roundabout
  • new street lighting
  • new multi-use pathway
  • new landscaping
View of William Halton Parkway.
View of William Halton Parkway.

Improvements include:

  • new two-lane road
  • new two-lane roundabout
  • new street lighting
  • new multi-use pathway
  • new landscaping

Photographs

View of William Halton Parkway at Sixth Line.
Photograph of William Halton Parkway – Phase 2, Stage 1.
View of William Halton Parkway
Photograph of William Halton Parkway – Phase 2, Stage 1.

Project map

Project Timeline

Phase 1 Timeline

2010

Environmental assessment completed.

2018

Detailed design completed and construction contract awarded for Phase 1

December 2018

Construction start for Phase 1.

November 2020

Phase 1 complete.

Phase 2 Timeline

2010

Environmental assessment completed.

March 2021

Construction start for Phase 2

June 2026

Projected completion for Phase 2

Latest traffic updates and notices

Traffic updates

Halton Region’s contractor will be using a section of Lions Valley Park and its parking lot as a construction staging area. Parking spots will be reduced and there may be delays in accessing the park using Lions Valley Park Road.

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Stay up-to-date

Halton Region has a dedicated Construction Ambassador for this project who will be available to meet with residents and businesses to address any questions or concerns.

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