Checklist for August 1 HVNL Changes

2 Jul 2026 Blog

The updated Heavy Vehicle National Law has come into effect as of 1 August 2026, and the NHVR has confirmed there’s no grace period once it lands. If you run vehicles over 4.5 tonnes, it’s a good time to check you’re up to date.

Here’s a quick checklist to work through:

1. Check your accreditation status.
If your NHVAS accreditation expires in the next 24 months, start planning your transition now. You’ll be moving to either General Safety Accreditation (GSA) or Alternative Compliance Accreditation (ACA) — GSA suits most operators, ACA is for those chasing fatigue or mass concessions (and requires GSA first anyway).

2. Review your safety management system.
The new law shifts the focus from “did you fill in the paperwork” to “can you prove you’re actually safe.” Every audit will now look at your whole business — fatigue, maintenance, mass — not just the module you signed up for.

3. Know the new mass and length limits.
General mass limits are rising to match current concessional limits, so you may not need special accreditation to carry what you used to. Max length for general access vehicles is also going from 19m to 20m — worth checking if that opens up options for your fleet or trailer configuration.

4. Update your “fit to drive” processes.
The unfit-to-drive duty is expanding beyond fatigue to cover any reason a driver isn’t fit — illness, medication, mental health, and more — and it now applies to all drivers of vehicles over 4.5 tonnes, not just fatigue-regulated ones over 12 tonnes. If your induction or scheduling processes only talk about fatigue, they’ll need an update.

5. Get your team briefed.
The NHVR has been running online info sessions and posting guidance materials — worth getting your compliance or ops lead to watch one back if they haven’t already.