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Ontario Commercial Auto Requirements for Plow Trucks

A plow truck in Ontario has to meet two sets of requirements. The first is the law: minimum auto insurance, and for heavier trucks, Ministry of Transportation (MTO) rules such as CVOR and inspections. The second is your contracts: property managers and municipalities often ask for auto liability limits far above the legal minimum.

This guide covers both, in plain language.

General information only, not legal or insurance advice. Confirm vehicle rules with MTO and coverage questions with your broker.

According to the Financial Services Regulatory Authority of Ontario (FSRA), the minimum third party liability required by law in Ontario is $200,000. FSRA lists the standard parts of an Ontario auto policy as:

  • Third party liability
  • Statutory accident benefits
  • Uninsured automobile coverage
  • Direct compensation property damage

FSRA also notes that for new policies issued on or after July 1, 2026, only medical, rehabilitation and attendant care benefits are mandatory accident benefits, and others, such as income replacement, are optional. Ask your broker how this applies to you and your drivers.

The Standard Policy Form: OAP 1

The Ontario Automobile Policy Owner's Policy, known as OAP 1, is the form that "sets out the rights and obligations of the insured, and of their insurance company." Your broker can explain how a plow truck or a fleet is written in Ontario.

Declaring Plowing Use

Auto insurance is priced on how a vehicle is used. If you use a truck to plow for pay, that is something to disclose to your insurer or broker, even if the truck is also your daily driver. Whether a policy responds to a claim that happens while you are working depends on the policy wording and what was declared, so ask your broker. Read does personal auto insurance cover plowing and personal vs commercial auto for plowing.

CVOR: When Your Truck Needs One

The Commercial Vehicle Operator's Registration (CVOR) is required for trucks with a registered gross weight or actual weight over 4,500 kg, among other vehicles.

There is a personal use pickup exemption, but MTO says it applies only if all of these are true:

  • The manufacturer's gross vehicle weight rating (GVWR) is 6,500 kg or less
  • The truck is used for personal purposes without compensation
  • It has its original box or an unmodified replacement
  • It is not carrying or towing a trailer with commercial cargo

A pickup used for paid plowing does not meet the "without compensation" condition. If your truck could be over 4,500 kg registered gross weight or actual weight, confirm with MTO before the season starts.

Annual and Daily Inspections

MTO requires annual inspections for most trucks, trailers and converter dollies with a total gross weight, registered gross weight or manufacturer's GVWR of more than 4,500 kg. The inspection is valid for 12 months. Daily trip inspections are also required, completed within 24 hours before driving. The same personal use pickup exemption applies.

Keeping inspection records with your snow logs makes them easy to find if a claim or audit comes up.

Flashing Blue Lights

Under section 62 of the Highway Traffic Act (as reproduced in an unofficial consolidation), a road service vehicle that plows, salts or de-ices a highway must have a lamp producing intermittent flashes of blue light visible for 150 metres. Flashing blue lights may only be used by road service vehicles in those circumstances, or by police together with red.

A "road service vehicle" is one used for highway maintenance by or on behalf of a municipality or other road authority. In practical terms, blue lights are for plowing public highways for a road authority, including contractors working on its behalf. A truck clearing a private lot is not a road service vehicle while doing that work. If you are unsure, check with MTO or the road authority you are working for.

What Contracts Ask For

The legal minimum is only the floor. Examples from Ontario public sector snow contracts:

  • One township's winter maintenance RFP asked for owned vehicle (OAP 1) third party liability of at least $5,000,000 and non-owned automobile liability of at least $2,000,000.
  • A school board snow removal contract template asked for automobile liability, including owned, hired and non-owned vehicles, of at least $2,000,000.

Each contract sets its own terms. Send the insurance section of any contract to your broker before you sign. See insurance requirements for commercial snow contracts and winning municipal snow contracts in Ontario.

Coverage Contractors Often Discuss With a Broker

For budgeting, see snow plow insurance cost in Ontario.

Sources

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Frequently Asked Questions

What is the minimum auto insurance for a plow truck in Ontario?

FSRA says the legal minimum third party liability in Ontario is $200,000. Many snow contracts ask for much higher limits.

Does my pickup need a CVOR to plow snow?

CVOR applies to trucks over 4,500 kg registered gross weight or actual weight. The personal use pickup exemption does not cover paid plowing, so confirm your truck with MTO.

Can I put blue flashing lights on my plow truck?

Blue flashing lights are for road service vehicles plowing or salting highways for a road authority. Check with MTO or the road authority before installing them.

Do I have to tell my insurer I plow with my truck?

Auto insurance is priced on declared use, so paid plowing is something to disclose to your insurer or broker. See can I plow snow with my personal truck.