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Tremaine Road Improvements (Steeles Avenue to 5 Side Road)


Town of Halton Hills. Town of Milton

Project Type:



To help keep traffic moving, Halton Region is realigning Tremaine Road (from Steeles Avenue to 5 Side Road) to four lanes. The improvements include the following features:

  • Grade separation under the Canadian Pacific Railway tracks
  • Bridge over 16 Mile Creek
  • On-road cycling lanes for both directions
  • Multi-use paths on both sides of the road
  • Installation of a 600 mm watermain

View construction project (external link) in a larger map
  • Blue lineWork area
  • Red lineNew Interchange
Project Status:

In progress

Start Date:

March 2018

End Date:

April 2021

Project #:



For more information, call 311 or email

Project Documents:

Minimal road closures and disruptions will occur throughout the construction.