Fatigue rules for van drivers in Australia: what applies below 4.5 tonnes?
By the Smart Strix team · Updated 15 July 2026
Australia's formal driver fatigue laws stop well above van weight — yet a tired van driver is just as dangerous, and the law hasn't left the gap open the way many operators assume.
Do NHVR fatigue rules apply to van drivers?
No. The fatigue provisions of the Heavy Vehicle National Law attach to "fatigue-regulated heavy vehicles" — in broad terms, vehicles over 12 tonnes GVM and buses over 4.5 tonnes with more than 12 seats (the NHVR publishes the precise definition). A courier van, a trades ute or even a 4-tonne light truck is nowhere near that scope, so counted hours, standard/BFM/AFM options and the national work diary simply don't apply. Don't confuse this with the general heavy vehicle threshold: a 6-tonne truck is a heavy vehicle under CoR, yet still not fatigue-regulated. If weights and thresholds are blurring together, our 4.5-tonne GVM guide untangles them.
So is van driver fatigue unregulated?
Only in the narrow sense that no statute counts a van driver's hours. Work health and safety law fills the space with something broader: the PCBU's primary duty to eliminate or minimise risks so far as is reasonably practicable — and Safe Work Australia's guidance identifies fatigue explicitly as a hazard to be managed like any other. The same logic that puts van fleets under WHS rather than Chain of Responsibility (explained in does CoR apply to vans?) applies here: the prescriptive machinery falls away below the weight thresholds, the underlying duty doesn't. After a fatigue-related crash, a WHS regulator will ask what your rosters looked like, whether anyone reviewed hours, and whether drivers could raise tiredness without penalty. "There was no rule about hours" is not a defence when the duty was to manage the risk.
What does a practical fatigue policy for a small van fleet look like?
It doesn't need to imitate heavy-vehicle law — it needs to be written, realistic and followed. A workable policy for a 2–50 vehicle operation covers:
- Internal duty limits. Set your own caps — for example a maximum shift length, a cap on weekly hours, and a minimum break between shifts — and treat them as hard limits in scheduling, not aspirations.
- Breaks on long runs. A required rest break after a defined stretch of continuous driving, written into run planning rather than left to the driver's judgement under deadline pressure.
- Start-time discipline. Early starts stack fatigue quickly; limit consecutive pre-dawn starts and avoid rapid swings between early and late shifts.
- A no-blame reporting rule. Drivers must be able to say "I'm not safe to drive" and lose nothing by it. One punished honest report ends honest reporting.
- Second-job awareness. Ask about other work and side gigs at induction — a driver's fatigue doesn't care which employer caused it.
- Trigger reviews. Any near-miss, kerb strike or customer complaint about erratic driving prompts a look at that driver's recent hours.
What records prove you're managing fatigue?
Three kinds. The policy itself, dated and acknowledged by each driver at induction. Hours actually worked — shift start and end times, because a policy capping shifts at eleven hours means nothing without data showing shifts stayed under it. And exceptions — the days someone ran long, why, and what you changed. Smart Strix's driver shifts feature handles the middle layer automatically: drivers clock in and out on their phone, weekly history accumulates per driver, and PTO and sick leave sit alongside so you can see who's actually had a break. That's evidence of a managed system — which is exactly the currency WHS compliance trades in.
Where do scheduling and dispatch fit in?
Fatigue is mostly created upstream of the driver, in whoever builds the day's work. Realistic job durations, drive times that don't assume perfect traffic, and load across the roster rather than piling everything on your fastest driver — these are fatigue controls even though they look like operations. Pair the policy with the daily condition routine in daily vehicle checks for vans, and slot both into the full programme in our van fleet compliance checklist. A tired driver in a perfect van is still an incident waiting for a place to happen.
Contractors and casual drivers deserve a final word, because the WHS duty doesn't stop at the employment boundary — a PCBU's obligations extend to workers in the broad sense, subcontracted couriers included. If your dispatch practices set an owner-driver's deadlines, your business is influencing their fatigue. Apply the same scheduling limits and reporting culture to everyone who drives your jobs, whoever pays their super.