UK HGV Driver Hours Rules 2025: What Operators Must Know Now

If you run HGV operations in the UK, 2025 is not the year to take your eye off compliance. A significant package of regulatory changes came into force on 21 April 2025, and another major equipment deadline is just around the corner. Whether you're a transport manager juggling a fleet of 30 trucks or an owner-driver doing international runs, these updates affect how you record hours, what kit you need on your vehicle, and how much paperwork you'd better have ready at the roadside. Here's what you need to know.

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The Shift to AETR Rules for International Journeys

The biggest structural change in 2025 is the UK's formal adoption of the AETR framework — the Agreement Concerning the Work of Crews of Vehicles Engaged in International Road Transport — for all HGV journeys crossing international borders.

Under the Drivers' Hours and Tachographs (Amendment and Modification) Regulations 2025, implemented by the DVSA on 21 April 2025, the old "assimilated" EU rules that had been carried over from Brexit have been replaced. The AETR rules now govern any trip between the UK and EU member states, as well as journeys to non-EU countries that are party to the agreement.

What actually changes in practice?

The core driving limits haven't shifted dramatically — but some of the flexibilities drivers previously relied on have gone. Specifically, the "unforeseen events" allowance that let drivers exceed their daily or weekly driving limits in exceptional circumstances to reach a home base for weekly rest is no longer available under AETR rules for international trips. If your drivers have been leaning on that provision, that needs to stop now.

For operators running cross-border routes, it's worth reviewing your route planning and scheduling to make sure drivers can realistically reach suitable rest locations without relying on flexibility that no longer exists. Getting caught out on this at a roadside check isn't just a fine — it raises questions about your operator compliance culture as a whole.

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The 56-Day Record Requirement: Are Your Drivers Ready?

This is the change most likely to catch people off guard at the roadside. As of April 2025, drivers on international routes must be able to produce 56 days of tachograph records on demand — that's the current day plus the previous 55 days.

Previously, the standard was 28 days. Doubling it brings the UK in line with EU-wide enforcement standards and gives DVSA officers a much deeper window to identify patterns of non-compliance, not just one-off incidents.

What counts as a valid record?

The 56-day requirement covers:

• Digital tachograph data downloaded from the vehicle unit and driver card
• Analogue charts (where still applicable)
• Manual entries for any periods where a tachograph wasn't in use

Drivers need to carry this data with them — not have it sat on a system back at the depot with no way to access it. This is where having a proper digital record management process in place becomes genuinely essential, not just nice to have. Tools like TruckCheck, which centralise tachograph data and make records easily retrievable, take a lot of the operational stress out of this kind of requirement.

The DVSA's own Earned Recognition audit standards make clear that operators are expected to maintain robust systems for tachograph record storage and retrieval. Falling short on this isn't just a roadside risk — it can affect your standing during a formal audit.

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Smart Tachograph Version 2: The August Deadline You Cannot Miss

Mark 18 August 2025 in your diary. That's the deadline by which any HGV used for international transport that currently has a Version 1 Smart Tachograph fitted must be retrofitted with a Smart Tachograph Version 2 (SMT2).

What does SMT2 actually do differently?

SMT2 units are a meaningful upgrade, not just a box-ticking exercise. They bring:

• Automatic border crossing registration via GPS — no more manual entries when crossing into or out of the UK
• Remote sensing capability, meaning DVSA officers can check for potential infringements while a vehicle is still moving, without having to pull it over
• Automatic recording of loading and unloading activities

The remote sensing element in particular signals a real shift in how enforcement works. Roadside spot checks have always been a risk, but the ability to identify infringement patterns without stopping vehicles means the net is getting significantly wider.

If you're not sure which vehicles in your fleet are affected, check your tachograph specifications now. Retrofitting takes time to book in, and workshops across the industry are already seeing demand increase ahead of the deadline.

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Domestic Rules: What Hasn't Changed

With all the updates above, it's worth being clear about what's stayed the same. UK domestic-only driving rules are unchanged for journeys entirely within Great Britain. The standard limits remain:

• Daily driving: 9 hours (extendable to 10 hours twice a week)
• Weekly driving: Maximum 56 hours
• Fortnightly driving: Maximum 90 hours over any two consecutive weeks
• Breaks: 45 minutes after no more than 4.5 hours of driving (can be split as 15 minutes followed by 30 minutes)

If your fleet operates purely domestically, the April 2025 changes don't directly alter your hours rules. That said, if any of your vehicles ever cross into international territory — even occasionally — the AETR rules and the 56-day record requirement apply to those journeys.

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Enforcement: The Stakes Are Higher Than Ever

The DVSA has been clear that enforcement activity is increasing, and the technology now supports that. On-the-spot fines of up to £300 per offence apply for infringements such as failing to produce the required records or breaching rest requirements. Persistent non-compliance can result in the suspension of an operator licence or a driver's CPC qualification — consequences that no business can afford to treat lightly.

The message from DVSA is consistent: they want to see operators who have systems in place and take compliance seriously, not just those who got lucky on the day of a check. Platforms like TruckCheck help transport managers stay on top of driver hours data, flag potential infringements early, and keep records organised — the kind of proactive approach that holds up under scrutiny.

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2025 has brought real, practical changes that require action — not just awareness. Review your international scheduling, confirm your tachograph equipment is up to date, and make sure your drivers understand the 56-day record requirement before they're asked for it at the roadside.

Try TruckCheck free or get in touch to see how it works.