Ontario municipalities must follow mandatory provincial road construction standards for new projects
STANDARDS FOR ROAD DESIGN AND CONSTRUCTION — under the Public Transportation and Highway Improvement Act
Plain-language summary · AI-assisted · not legal advice
A new regulation requires Ontario municipalities to use specific Ontario Provincial Standard Specification (OPSS.MUNI) documents as mandatory standards for the design, evaluation, and construction of municipal road projects. Municipalities launching procurement processes within the first compliance window must ensure their designs and contracts conform to all applicable listed standards, and contracts may not waive or alter those standards. Municipalities launching procurement in the second compliance window face stricter rules: contracts must also align with OPSS.MUNI 100 general conditions and cannot add clauses that conflict with it. Municipalities needing relief from a specific standard can apply to the Minister for an exemption, providing project details and supporting reasons. Starting in 2028, municipalities must file annual reports with the Ministry listing every covered road project from the prior year, their compliance status, and details of any failures to comply.
Who this affects: municipal governments · municipal road project procurement teams · road construction contractors working with municipalities · municipal engineers and design consultants
Source of truth: O. Reg. 283/26 on the official source
Legislative text © King's Printer for Ontario. This page is not an official version of the law and is not legal advice. Verify against the official source before acting.
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