Ontario Ministry of Transportation (MTO)

The Ontario Ministry of Transportation (MTO) manages over 17,000 kilometers of provincial highways including the 400-series expressways that are the backbone of Canada's most economically productive province. Key freight corridors include Highway 401 (the world's busiest highway, handling over 500,000 vehicles/day near Toronto), Highway 400, Highway 403, Highway 417 (Ottawa), and the QEW. Ontario accounts for roughly half of all Canadian manufacturing output, and MTO's highway network supports massive automotive, electronics, and food processing freight flows. The ministry administers the Ontario commercial vehicle permit system, operates the COMPASS traffic management system, and provides 511Ontario for real-time road conditions, especially at the critical US-Canada border crossings at Windsor-Detroit and Niagara.

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