What colour are the markings on the rear of lorries over 7.5 tonnes maximum authorised mass?

Explanation: All vehicles over 7.5 tonnes maximum authorised mass must have markings on the rear of the vehicle. These markings are rectangular and are coloured red and yellow. They're there to inform other road users of the characteristics of your vehicle. The markings should be kept clean so that they can be seen clearly at all times, especially at night and in poor visibility.

Category: Vehicle Weights and Dimensions

References: Highway Code: Page 117