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Heavy vehicle rules

The following are common questions and answers about heavy and long vehicles.

Can I stop on roads?

Heavy vehicles (weighing 4.5 tonnes or over) or long vehicles (measuring 7.5 metres or longer) may only stop in a built-up area for up to one hour, unless otherwise signed.

Parking issues generally fall within the responsibility of local governments. A local government may make a local law about this issue which will prevail over the state law. However, any local law must stay consistent with state law.

Section 200 of the Queensland Road Rules applies.

What is the minimum following distance?

The Department of Transport and Main Roads recommends that you drive keeping a minimum two second gap between your vehicle and the vehicle in front (following distance). The two second measure is for when driving conditions are ideal. In adverse weather conditions, double the following distance to four seconds.

Heavy vehicle drivers should maintain a three to four second following distance between their vehicle and the vehicle in front.

Long vehicles (measuring 7.5 metres or longer) must keep a minimum distance of 60 metres behind another long vehicle unless:

  • driving on a multi-lane road
  • driving in a built-up area
  • overtaking
  • driving in a road train area (where the minimum distance is 200 metres).

Sections 126 and 127 of the Queensland Road Rules apply.

What should I do at load limit signs?

An image of a road sign showing a bridge load limit.You must not drive past a bridge load limit sign, or a gross mass limit sign, if the gross mass of the vehicle is greater than that stated on the sign. This usually applies to heavy and long vehicles.

Section 103 of the Queensland Road Rules applies.

When must I use low gear?

An image of a road sign saying: Trucks and buses must use low gear.On steep routes, where the sign indicates, trucks and buses must drive in a gear that is low enough to limit the speed of the vehicle without relying on the primary brake.

This sign is used in areas such as Cunningham's Gap and the Toowoomba range.

The rule is designed to reduce the incidence of brake fade in heavy vehicles thereby reducing the potential for serious accidents.

Section 108 of the Queensland Road Rules applies.

Last updated
18 November 2014