People on subway

Ontario Line

A new 15.6-km subway line in Toronto that will run from Exhibition Place, through downtown, all the way to the Ontario Science Centre.

Exhibition Early Works Report

Published on Feb. 1, 2021

Ontario Line trains will be above ground at Exhibition Station, which currently accommodates GO Train and VIA rail services as well as freight rail operations. Since GO Expansion Plans call for more GO train services at Exhibition Station, Metrolinx is carrying out early works for the Ontario Line in this area to ensure both of these important transit expansion projects are properly coordinated and completed in a timely manner.

The Exhibition Station Early Works Report outlines the purpose of early upgrades at the existing Exhibition GO Station, including a description of local environmental conditions, potential impacts and proposed mitigation measures.

Read the full Exhibition Early Works Report

Read the Notice of Final Publication

Read the Statement of Completion

Read Appendix B - Communication and consultation materials

Read Appendix B2 - Project webpage

Read Appendix B3 - Consultation and correspondence

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Explore each of the environmental assessment components and read about how we plan to address impacts below.

Potential effects and mitigation measures

Potential effects

  • Disturbance or displacement of wildlife.
  • Removal of/damage to trees, terrestrial vegetation and wildlife habitat, including migratory breeding bird habitat.

Mitigation measures

  • Sensitive wildlife timing restrictions for construction activities (e.g., removal of vegetation outside of the breeding bird season).
  • Prior to construction, a Common Nighthawk (Species of Conservation Concern) candidate nesting habitat survey will be completed to confirm nesting habitat presence/absence at 1 Atlantic Avenue and, if habitat is found to be present, appropriate mitigation measures will be implemented (e.g., conducting building demolition outside of breeding bird window).
  • Tree/vegetation removals will be kept to a minimum and limited to within the construction footprint.
  • Tree removal compensation will be provided in accordance with the Metrolinx Vegetation Guideline (2020).

Read more - Appendix A1 - Natural Environment Report

Land Acknowledgement

Metrolinx acknowledges that it operates on the traditional territory of Indigenous Peoples including the Anishnabeg, the Haudenosaunee and the Wendat peoples. In particular these lands are covered by 20 Treaties, and we have a responsibility to recognize and value the rights of Indigenous Nations and Peoples and conduct business in a manner that is built on the foundation of trust, respect and collaboration. Metrolinx is committed to building meaningful relationships with Indigenous Peoples, and to working towards meaningful reconciliation with the original caretakers of this land.