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How to transport dangerous substances

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Do you know how to transport dangerous substances?

Are you transporting propane, gasoline, fireworks or chlorine for your pool? Did you know that you have to comply with the Transportation of dangerous substances regulation? The regulation applies to all drivers and is intended to ensure that dangerous substances are transported safely, with minimal risks for the public, the environment and property.

Transporting dangerous substances

How to transport dangerous substances
  • Use an approved and standardized container, appropriate to the contents. For instance, you can’t transport gasoline in an empty windshield-washer jug.
  • Make sure the container is always securely attached, whether it is full or not. Other objects in the same place must also be attached.
  • Containers for dangerous substances may not exceed 30 kg. If you plan to transport over 150 kg of dangerous substances in a recreational vehicle, refer to the Transportation of Dangerous Substances Guide for information on the requirements.
In addition, when transporting propane:

- Cylinders must always be in the upright position in a space ventilated to the outside:

  • in the trunk, left open;
  • in the cab, with a window open;
  • in front of the trailer if it is attached to a vehicle, so that the cylinder is protected by the vehicle;
  • in back of the recreational vehicle if the bumper is extended beyond the cylinder using a material at least as strong as the bumper.

- Cylinders of inflammable gas, like propane, must not exceed 46 litres, approximately equal to the capacity of a 50-lbs propane tank. For information on the requirements for transporting cylinders of inflammable gas with a capacity of over 46 litres, refer to the Transportation of Dangerous Substances Guide.

Passing through tunnels: What you should know

What’s your route?

The safety rules for the transportation of dangerous substances are the same all over Quebec, but additional rules apply to the following tunnels:

  • Louis-Hippolyte-La Fontaine, Ville-Marie and Viger, in Montreal
  • Joseph-Samson, in Québec
  • Melocheville, in Beauharnois
What dangerous substances are allowed in a tunnel?

Substance

Allowed
Prohibited
  • Acetylene, butane, propane or other inflammable gases
  • 2 cylinders, each with a capacity of 46 litres or less

  • More than 2 cylinders, regardless of capacity

  • 1 cylinder with a capacity of over 46 litres​

  •  Oxygen
  • 2 cylinders, each with a capacity of 46 litres or less

  • More than 2 cylinders, regardless of capacity

  • 1 cylinder with a capacity of over 46 litres​

  • Gasoline, diesel, methanol, solvents or other inflammable liquids

  • 1 container or a set of containers with a maximum capacity of 30 litres

  • 1 container or a set of containers with a total capacity of over 30 litres

  • It is recommended that you close the valve of a propane cylinder before passing through a tunnel subject to restrictions.
  • Vehicle fuel (gasoline, diesel, propane or methane) contained in one or more tanks provided for this purpose by the vehicle manufacturer or consistent with the Regulation respecting safety standards for road vehicles is not covered by these rules for passing through tunnels.

Download

Before you set out, it’s a good idea to plan your route and make sure you know all the rules respecting the transportation of dangerous substances.


Download the summary (in French)

Summary of restrictions on the transportation of dangerous substances through tunnels and the tunnel-bridge, and rules for transporting petroleum derivatives

Summary


Download the Transportation of Dangerous Substances Guide (in French)

Transportation of Dangerous Substances Guide


For more information, see www.transports.gouv.qc.ca

Informative videos

Awareness campaign for the transportation of dangerous substances 

Transportation of dangerous substances - Gasoline   

 

Transportation of dangerous substances - Propane

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