The transportation of propane cylinders, fuel cans, chlorine for swimming pools, or oxygen for medical emergencies must comply with the Transportation of Dangerous Substances Regulation. This regulation applies to all road users to ensure that dangerous substances are transported safely, minimizing the risks for the population, the environment and property.
Dangerous substances are classified based on the type of risk they pose and their properties. Some of the most commonly used dangerous substances are:
There are more than 3,500 dangerous substances. A complete list of these substances is available in the Transportation of Dangerous Goods Regulations.
For your safety and the safety of others, it is important to follow a few simple rules:
Propane cylinders must never be installed:
The capacity of propane cylinders sold in Québec is indicated in pounds, whereas it is indicated in litres in transportation standards. For example, propane cylinders commonly used for barbecue grills have a 20-pound capacity, which is roughly equivalent to 22 litres.
Additional rules on the transportation of dangerous substances apply in the following tunnels and bridge-tunnels.
New signs were installed near tunnels to remind motorists of the quantities allowed for two of the most commonly used dangerous substances, namely gasoline and propane. You can therefore change your route before it is too late to do so.
Société des traversiers du Québec’s Website sets out the restrictions regarding the transportation of certain substances on its ferries.
Precautions need to be taken before and during the transportation of dangerous substances.
Prior to departure
© Gouvernement du Québec, 2022