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Durham-Scarborough Bus Rapid Transit

Durham-Scarborough Bus Rapid Transit - Environmental Assessment

Metrolinx is planning and building for tomorrow to keep the Region moving as it continues to grow.

This means planning expansion and new infrastructure projects to serve our growing population into 2041 and beyond. To help people get to where they need to go, Metrolinx is working to bring a more frequent and reliable transit service to Durham Region and the City of Toronto through the Durham-Scarborough Bus Rapid Transit (DSBRT) project.

To get there, the project was assessed following the Transit Project Assessment Process (TPAP).

The TPAP is a focused impact assessment created specifically for transit projects, regulated under Ontario’s Environmental Assessment Act. The TPAP is a focused impact assessment process for Ontario transit projects that includes consultation, assessment of potential environmental impacts, an assessment of measures to mitigate negative impacts, and documentation. The process is prescribed in Ontario Regulation 231/08 – Transit Projects and Metrolinx Undertakings, made under the provincial Environmental Assessment Act.

The TPAP is a regulated timeline of up to 120 days to prepare an Environmental Project Report (EPR) and consult with interested persons, including regulatory agencies and Indigenous Nations. Due to the regulated timeline of the TPAP, pre-planning activities occur prior to the formal commencement of the TPAP to begin preparing environmental studies and understand the interests of stakeholders.

Metrolinx, in collaboration with Durham Region and the City of Toronto, has completed an EPR in accordance with Ontario Regulation 231/08 for the DSBRT project. The EPR was available for review for a 30-day review period from January 21, 2022 to February 22, 2022. The EPR files are available below for information.

On March 28, 2022, the Minister of the Environment, Conservation and Parks issued a Notice to Proceed with the transit project in accordance with Ontario Regulation 231/08. As the final step of the Transit Project Assessment Process (TPAP), Metrolinx and Durham Region have issued a Statement of Completion in accordance with Ontario Regulation 231/08.

For more detailed information on the TPAP, please visit our Frequently Asked Questions page.

TPAP Timeline

Timeline displaying the various stages of the transit project assessment process. We are currently in Phase 4, during which the notice of completion, 30-day public review, 35-day ministers review and statement of completion will be delivered. This will be followed by Phase 5, during which the preliminary design business case will be delivered.

Environmental Project Report

Main Report

Errata to the Environmental Project Report

Appendices

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Appendix C - Natural Environment Report

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Appendix F - Stage 1 Archaeological Assessment

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Appendix G - Socio-Economic Land Use Report

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Appendix H - Air Quality Impact Assessment

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Appendix J - Stormwater Management and Fluvial Geomorphology

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Appendix K4.1 - Review Agency Meetings and Correspondence and Appendix K5 – Indigenous Nations

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Appendix K6 – Other Stakeholder Meetings and Correspondence and Appendix K7 – Notice of EPR Completion