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Tremaine Road, Steeles Avenue to No. 5 Side Road

Building a Better Halton Logo

Towns of Milton and Halton Hills


Construction of Tremaine Road (Regional Road 22) from Steeles Avenue (Regional Road 8) to No. 5 Side Road (Campbellville Road), including a new interchange at Highway 401 in the Town of Milton and Town of Halton Hills.

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

Spring 2018 to Summer 2022

  1. Steeles Avenue to No. 3 Side Road – Spring 2018 to Summer 2020
  2. Advance Creek Relocation – Spring 2019 to Fall 2020
  3. Hwy 401 Interchange – Spring 2021 to Summer 2022
Project No.



David Collum, Project Manager
905-825-6000 ext. 7620

Additional Information:

Minimal road closures and disruptions will occur throughout the construction.

A Public Information Centre (PIC) took place on June 27, 2017. The following display boards were presented at the PIC:

  1. Construction Staging Plan (PDF file)
  2. Tremaine Road - Steeles to No. 3 Side Road Information (PDF file)
  3. Tremaine Road Plan (PDF file)
  4. Tremaine Road Landscaping (PDF file)
  5. Advance Contract Information (PDF file)
  6. Advance Plan (PDF file)
  7. Hwy 401 Interchange Information (PDF file)
  8. Hwy 401 Interchange Plan (PDF file)
  9. Tremaine Road Typical Sections - PIC-01 (PDF file)