What marking is required for a school bus in Ontario?

School bus marking/lettering per Ontario O.Reg 612 and CSA D250. Legal reference: O.Reg 612 (Ontario MTO); CSA D250 (CSA Group).

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School Bus marking requirements — Ontario

School bus marking/lettering per Ontario O.Reg 612 and CSA D250.

Last verified 2026-03-01. Final responsibility for vehicle, vessel, or property status stays with the operator — talk to the source desk if unsure.

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