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

Fall 2017 to Summer 2021

  1. Steeles Avenue to No. 3 Side Road – Fall 2017 to Fall 2019
  2. Advance Creek Relocation – Spring 2018 to Fall 2019
  3. Hwy 401 Interchange – Fall 2019 to Summer 2021
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)