leading change

We lead national land transport reform in support of all Australian governments to improve safety, productivity, environmental outcomes and regulatory efficiency.

We lead national land transport reform in support of all Australian governments to improve safety, productivity, environmental outcomes and regulatory efficiency.

Have your say

We welcome feedback from any individual or organisation to help us improve safety, productivity, regulatory efficiency and environmental outcomes across the land transport sector .

Heavy Vehicle (Mass, Dimension and Loading) National Regulation Amendment consultation

Published on 02 Dec 2025

The NTC is consulting on amendments to the Heavy Vehicle (Mass, Dimension and Loading) National Regulation. Amendments include increases to General Mass Limits (to align with current Concessional Mass Limits) and an increase to the general vehicle length limit (from 19 metres to 20 metres).

Closing on 19 Jan 2026
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Australian land transport sector at a glance

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Rail operators

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Registered heavy vehicles

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($b) Transport as GDP

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