Division 1.3.1.3 F1
United Kingdom
Aerodynamic devices and equipment of cabs, both in the retracted or folded and in-use position, where applicable, shall be constructed in such a way that the maximum authorised width of the vehicle is not exceeded by more than 25 mm on each side of the vehicle and that they do not impair the capability of the vehicle to be used for intermodal transport. In addition, the requirements set out in points 1.3.1.3.1. to 1.3.1.3.4. below shall be met.