Fatigue under the HVNL has never been limited to counting hours, but current enforcement settings make that point sharper than ever. The practical question for operators is no longer only whether a driver stayed within a work and rest option. It is also whether the business had effective controls to identify when a driver was not fit for duty before the trip began.
That matters because the Chain of Responsibility reaches beyond the person behind the wheel. Consignors, loaders, schedulers, operators and executives can all create conditions that make fatigue risk more likely. If a driver starts work after inadequate sleep, arrives already exhausted from non-work demands, or is pressured to continue despite obvious warning signs, the legal problem is not solved by a compliant diary page. Under the primary duty, each party must ensure, so far as is reasonably practicable, the safety of transport activities.
NHVR fatigue action commonly focuses on evidence that should have prompted intervention. Typical warning signs include repeated early-start patterns, long waiting times before loading, roster changes that erode recovery sleep, and poor escalation when drivers report tiredness. Businesses often assume fatigue is controlled because drivers are trained and records are collected. In practice, the regulator will look for whether the system actually helped someone make a safe decision before the vehicle moved.
For operators, this means fitness-for-duty checks need to be more than a formality. A robust process should require active confirmation from the driver, clear triggers for supervisor review, and a documented pathway for standing a trip down without commercial backlash. The same system should deal with medication disclosure, illness, sleep disruption, and cumulative roster effects. If a driver says they are not right to drive, the organisation should not need to improvise its response.
Schedulers are central here. Even where they do not directly supervise drivers, they can create risk by accepting unrealistic departure times, rescheduling rest opportunities, or treating delay as a performance failure rather than a safety signal. Good fatigue control therefore depends on planning, dispatch, operations and line management working to the same rules.
The penalty framework under the HVNL is serious. Depending on the risk and the conduct, fatigue-related breaches can fall within the general categories of minor, substantial, severe and critical risk offences, and more serious matters may also expose parties to primary duty allegations. Maximum penalties under the law are significant and can include very large fines, and in the most serious categories, imprisonment for individuals.
The practical takeaway is straightforward. Review how your business verifies fitness for duty before dispatch, how concerns are escalated, and whether commercial staff are trained to support a no-go decision. If your controls would not stand up to close scrutiny after an incident or inspection, now is the time to fix them.
If you want your team to understand how fatigue duties apply across scheduling, supervision and operations, COR Safety Management Systems can help with practical CoR training tailored to heavy-vehicle businesses.