From 1 July 2026, EU drivers’ hours rules apply to LCV fleets operating in international freight and cabotage, meaning second-generation smart tachographs, new driver workflows, and tighter operational planning. With average penalties of £362 per infringement and fines of up to £5,000 per offence during DVSA inspections, the cost of falling behind is considerable. This practical guide covers what’s changing, who is affected, and how to prepare your fleet before the mandate takes effect.