2. // Maximum authorized vehicle weight (in tonnes) // 2.1. // Vehicles forming part of a combined vehicle // 2.1.1. // Two-axle trailer 18 tonnes // 2.1.2. // Three-axle trailer 24 tonnes // 2.2. // Combined vehicles // 2.2.1. // Road trains with five or six axles // // (a) Two-axle motor vehicle with three-axle trailer 40 tonnes // // (b) Two-axle motor vehicle with two or three-axle trailer 40 tonnes // 2.2.2. // Articulated vehicles with five or six axles // // (a) two-axle motor vehicle with three-axle semi-trailer 40 tonnes // // (b) three-axle motor vehicle with two or three-axle semi-trailer 40 tonnes // // (c) three-axle motor vehicle with two or three-axle semi-trailer carrying a 40-foot ISO container as a combined transport operation 44 tonnes