What is the minimum number of axles required for an articulated vehicle combination to operate at 40 tonnes within the UK?

Explanation: • 3 axles: No, this would limit the combination to 26 tonnes.
• 4 axles: No, this would limit the combination to 38 tonnes.
• 6 axles: No, this combination would be able to operate at up to 44 tonnes in the UK.
• 5 axles: Yes, either a 2-axle tractor unit pulling a 3-axle semi-trailer or a 3-axle tractor unit pulling a 2-axle semi-trailer.

Category: CPC Case Studies: Technical Matters