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July 7, 2025

In May 2025, the Ontario Electrical Safety Code was revised through Bulletin 2-12-15 – Traffic Signal Systems. Enforcement of these changes will begin in November 2025, which will render approximately six Ontario Provincial Standard Drawings (OPSDs) out of compliance with the updated code.

To address this, the OPS Electrical Committee is preparing revisions to the affected drawings, which are expected to be published in the Fall 2025 OPS update. In the interim, the Ministry of Transportation of Ontario (MTO) is developing Ministry Temporary Ontario Drawings (MTODs) for use as a temporary solution. These MTODs are anticipated to be completed shortly.

Once issued, the MTODs will serve as temporary replacements for the affected OPSDs until the revised versions are officially published. The temporary use period is expected to last approximately four months.

More information will be provided once the MTODs are released and available for use.