Blog · 17 October 2026

Chain of Responsibility explained for transport managers

"Chain of Responsibility" (CoR) is one of the most misunderstood parts of heavy vehicle law. Many managers believe that if a driver breaks a rule, only the driver is in trouble. Under the Heavy Vehicle National Law (HVNL), that is often not the case. This post explains the idea in plain terms and the practical steps that help a business show it took reasonable care.

General information only, not legal advice. Chain of Responsibility obligations and penalties are set out in the HVNL and NHVR guidance. Check the current source, and speak to a legal adviser about your own position.

The short answer

Under the HVNL, several parties in the transport chain can have obligations of their own, not just the driver. These can include the operator, and in some situations parties such as consignors, loaders, schedulers, and others who influence how a trip is planned or carried out. If a party in the chain caused or contributed to a breach, they may be liable, even if they never sat in the driver's seat.

Why the driver is not the only person who matters

Consider a simple case. A scheduler sets a delivery time that cannot be met within lawful driving hours. The driver is pressured to make it. The scheduler, not only the driver, may be asked what they knew and what they did about it. The question is not only "who broke the rule?" but "who had the power to prevent it, and what did they do?"

That is why CoR is about the whole system of decisions, not one moment on the road.

Who can be in the chain

The chain can include anyone who has a role in the transport task, such as:

the operator and the people who manage the business
those who plan, schedule, or dispatch trips
those who load, pack, or consign goods
those who receive goods and set delivery requirements

The exact duties depend on the role, so do not assume you are outside the chain because you do not drive.

What "reasonable steps" looks like

The HVNL does not expect perfection. It looks at whether you took reasonable steps to prevent a breach. In practice, that means you can show:

Policies: written procedures for fatigue, mass, speed, and scheduling.
Planning: trip and schedule decisions that allow lawful compliance.
Monitoring: checks that the procedures are followed, such as reviewing work diaries, loads, and maintenance.
Response: what you did when a problem came up, and what you changed afterwards.
Records: evidence of all of the above, kept and easy to find.

If you cannot show these, you may struggle to argue that you did what was reasonable.

A quick self-check

Could anyone in your business put a driver under time pressure without it being noticed?
Do your schedulers know the mass and fatigue limits that apply to the work they plan?
When did you last review a breach, and what did you change because of it?
Can you show the records behind those answers today?

A free way to see your gap

Our free SMS gap check covers Chain of Responsibility alongside the rest of the standard. Use the full check for a complete view.

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