UK Driver Hours in 2026: Are Your Tachograph Records Actually Compliant?

If you're running trucks in 2026, the rules around driver hours and tachograph records have shifted more than most operators realise. Some of the changes came in quietly, buried in DVSA updates and technical bulletins, but the enforcement consequences are anything but quiet. With roughly 1 in 3 HGV drivers found in breach of weekly rest rules during late 2025 roadside checks, the gap between thinking you're compliant and actually being compliant has never mattered more.

Whether you're a transport manager keeping an eye on a fleet of 20, or a driver-owner running a handful of trucks, here's what you genuinely need to know right now.

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The Shift to AETR Rules for International Journeys

The biggest regulatory change in recent years landed on 21 April 2025, when the UK formally adopted the AETR (European Agreement Concerning the Work of Crews of Vehicles Engaged in International Road Transport) framework for all international HGV operations. This replaced the previously "assimilated" EU rules that had carried over after Brexit for cross-border transport.

On the surface, the core driving limits haven't changed much:

• Daily driving limit: 9 hours (extendable to 10 hours twice a week)
• Weekly driving limit: 56 hours
• Fortnightly limit: 90 hours

So far, so familiar. But where AETR tightens things up is around rest period rules. Several flexibilities that existed under EU law — including certain "return-to-base" exemptions and the ability to split or interrupt weekly rest in specific circumstances — have been removed or significantly tightened under AETR. If your drivers were used to relying on those workarounds for international runs, they're no longer available.

For domestic-only operations, the rules remain governed by the assimilated drivers' hours rules — the DVSA updated its official guidance in 2025 to use this terminology, reflecting the UK's post-Brexit legal position. The core requirements are the same; it's mainly the language and legal basis that changed.

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The 56-Day Record Requirement: Are You Actually Ready?

This is the one that catches operators off guard. As of 2025, drivers on international journeys are required to produce tachograph records for the current day plus the previous 56 days at roadside inspections — that's double the previous 28-day requirement.

This applies to:

• Digital tachograph data
• Analogue charts (where still in use)
• Manual entries (for any period not covered by a tachograph, such as rest days or driving a vehicle below the threshold)

The reason for the extension is straightforward: the DVSA wants to identify long-term fatigue patterns, not just single-day breaches. A driver who's stayed just within daily limits but accumulated excessive hours over two months is exactly the kind of risk this is designed to catch.

In practical terms, this means your record-keeping systems need to be watertight for nearly two full months at all times. Drivers should have access to their full history when they head out on an international job, and transport managers need to be able to retrieve that data quickly if there's a spot check or a more formal audit.

The DVSA's Earned Recognition audit standards for HGV operators make clear that systematic record-keeping and regular internal compliance checks are expected of operators — not just a scramble when enforcement comes knocking.

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Smart Tachograph 2: Two Key Deadlines You Can't Afford to Miss

The UK's phased rollout of Smart Tachograph 2 (SMT2) technology has two deadlines that operators need to have firmly in the diary:

August 18, 2025 — SMT2 Retrofit for International HGVs

All HGVs fitted with a first-generation Smart Tachograph (SMT1) and used on international transport routes should have been retrofitted with SMT2 by this date. If you're still running SMT1 on international work, you're already in breach.

July 1, 2026 — Light Commercial Vehicles

From 1 July 2026, light commercial vehicles between 2.5 and 3.5 tonnes used for international hire or reward must also be fitted with SMT2. This catches a wider range of operators than some expect — if you're using smaller vans for cross-border courier or delivery work, check your vehicle weights and your current tachograph spec.

SMT2 devices bring improved GPS accuracy and, critically, the ability for enforcement officers to communicate with the vehicle remotely to flag potential fraud without pulling the truck over. That's a significant step up in enforcement capability, and it means drivers and operators who might have relied on discrepancies going unnoticed in a standard roadside check face a much higher chance of detection.

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Penalties, the Working Time Directive, and What's Actually at Risk

Let's be direct about what non-compliance actually costs.

On-the-spot fines for driver hours and tachograph infringements can reach £300 per offence at the roadside. That stings, but it's not the real threat for most operators.

The more serious consequence is what repeated or serious violations do to your operator's licence. The DVSA has become increasingly willing to downgrade or revoke licences where systemic non-compliance is found — and with the 56-day record window now in play, a single roadside check can expose months of historical breaches.

Don't overlook the Working Time Directive either. The 6-hour rule remains firmly in place: drivers cannot work more than six consecutive hours without a break of at least 15 to 30 minutes (15 minutes if the total shift is between 6 and 9 hours; 30 minutes if it exceeds 9 hours). This sits alongside tachograph rules and applies to working time broadly — not just driving.

Tools like TruckCheck exist precisely to help transport managers spot these issues before enforcement does — flagging when drivers are approaching limits, keeping 56-day records properly organised, and making internal compliance checks straightforward rather than a paper chase.

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A Quick Compliance Checklist for Right Now

Before your next international run, ask yourself:

• [ ] Are all international vehicles fitted with SMT2 (not SMT1)?
• [ ] Can every driver produce 56 days of complete tachograph records on demand?
• [ ] Have you reviewed your weekly rest procedures against AETR rules, not the old EU framework?
• [ ] Are you regularly auditing driver hours data internally — not just reacting to DVSA contact?
• [ ] Are your records clearly distinguishing domestic and international journeys?

If any of those feel uncertain, now is the time to sort it — not when there's a DVSA examiner on the hard shoulder.

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Try TruckCheck free or get in touch to see how it works — and find out how straightforward staying on top of driver hours compliance can actually be.