Gas Bottle Transport Regulations Australia: The 2026 Safety Guide

  Quick Answer: Most states limit you to two 9kg bottles in an enclosed vehicle. However, safety experts recommend external mounting to prevent gas pooling and explosion risks.

If you travel with LPG gas bottles for camping, caravanning, or 4WD adventures, it’s important to understand the regulations and safety concerns before you hit the road.
While some states allow you to transport gas bottles inside your vehicle, safety experts strongly recommend against it. The risks are real and preventable.

Common Gas Transportation Questions:

How many gas bottles can i transport in a ute?

In most Australian states, including QLD and NSW, you can legally transport up to two 9kg gas bottles (totalling 18kg of gas) in an enclosed vehicle. However, when using an open ute tray, safety is significantly higher as any leaking gas can dissipate into the air rather than pooling in the cabin. Always ensure bottles are secured upright in a dedicated holder to prevent rolling or valve damage.

Is it safe to travel with a gas bottle inside a car?

Technically, it is legal if you follow strict ventilation rules, but it is not recommended by safety experts. Gas is heavier than air; if a valve leaks even slightly, the gas will pool in the footwells of your car. A single spark from a phone charger or cigarette lighter could then cause a catastrophic explosion. For maximum safety, always mount gas bottles externally on a rear bar or roof rack.

What are the gas bottle storage requirements for camping?

When at a campsite, gas bottles must be stored in a well-ventilated area, at least 1.5 meters away from any ignition sources (like your campfire or stove). They must remain in an upright position at all times to ensure the pressure relief valve functions correctly. If you are storing them on your vehicle, ensure they are housed in a crash-resistant, secure gas bottle mount that prevents movement during off-road travel.

Don't risk a fine or a fire. Check out these Heavy-Duty Gas Bottle Holders  Australian - designed to keep your bottles secure on the roughest tracks.

State & Territory Guidelines for Transporting Gas Bottles

New South Wales (NSW)

When transporting LPG cylinders in NSW, carry no more than one 9kg bottle and one 4kg bottle in any enclosed space connected to the passenger compartment, including the boot.
Read NSW Government guidelines → 

Queensland (QLD)

You can carry up to two LPG cylinders in an enclosed vehicle. Standard 9kg bottles should only be carried when travelling directly to or from a filling or exchange location, unless they are secured in a compartment sealed from the vehicle and vented outside.
Read Queensland Government guidelines → 

Victoria (VIC)

When transporting LPG cylinders in Victoria, you can generally carry up to two standard 9kg gas bottles.

Keep each bottle upright and securely restrained, with the valve tightly closed and the protective cap or plug fitted. Protect bottles from heat, damage and ignition sources, and carry them in an open tray or externally ventilated compartment wherever possible.
Read WorkSafe Victoria safety alert →

South Australia (SA)

You can generally transport up to two standard 9kg LPG bottles in South Australia.

Secure each bottle upright, close the valve tightly and fit its protective cap or plug. Keep bottles away from heat and ignition sources, and transport them in an open tray or externally ventilated compartment wherever possible.
Read SA Government guidelines → 

Western Australia (WA)

When transporting LPG cylinders in Western Australia, do not carry cylinders larger than 9kg inside a vehicle. Where possible, carry them securely in a trailer or open ute tray.
Read WA WorkSafe guidance → 

Tasmania (TAS)

When transporting LPG cylinders in Tasmania, you can generally carry up to two standard 9kg gas bottles.
Read WorkSafe Tasmania guidelines → 

Australian Capital Territory (ACT)

Follow the national standard AS 4332: store and transport cylinders upright, secure, and ventilated ideally outside the passenger compartment.
Read WorkSafe ACT guidelines →

Northern Territory (NT)

When transporting LPG cylinders in the Northern Territory, use an open ute tray or trailer wherever possible. Keep each bottle upright and securely restrained, close the valve tightly, and protect it from heat, damage and loose objects.

Do not carry gas bottles inside an enclosed vehicle unless they are secured in a purpose-built cabinet that is sealed from the vehicle and vented outside. Generally, no more than two standard 9kg bottles should be carried in the cabinet.
Read WorkSafe NT guidelines →

The Risks of Transporting Gas Bottles Inside Your Vehicle

Even if it’s legal where you are, there are serious dangers:

•  Gas leaks - LPG can pool in low areas of the car, creating an explosive environment.
•  Ignition hazards - Sparks from static, electrical switches, or the engine can ignite leaked gas.
•  Heat build-up - Car interiors can exceed 50 °C, raising pressure and the risk of venting.
•  Crash projectiles - A loose bottle can become a dangerous missile in a collision.

 

A Safer Alternative - External Mounting

Safety authorities recommend mounting gas bottles outside the vehicle whenever possible. External gas bottle holders:

• Keep bottles ventilated.
• Reduce the risk of gas build-up.
• Prevent bottles from becoming dangerous projectiles.
• Free up valuable interior space.

See our Top End Campgear Gas Bottle Holder Range for secure mounting options for 2 kg, 3 kg, 4 kg, and 9 kg cylinders.

Travel safe. Follow the rules. And when in doubt, keep your gas bottles outside.