Prohibition signs
Axle mass limit (R40)

If the axle mass of any of your vehicle’s axles exceeds the indicated mass in tons, use another road or part of the road not indicated by this sign.
Where
On any public road.
Purpose
To prohibit certain heavy vehicles from using the road.
Action
If the axle mass of any of your vehicle’s axles exceeds the indicated mass in tons, use another road or part of the road not indicated by this sign.
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Other prohibition signs
- No U-turn, night-time (CS2)
- Speed Limit (R38)
- Mass Limit (R39)
- Height Limit (R41)
- Length Limit (R42)
- Excessive Noise Prohibited (R43)
- Hitch-hiking prohibited (R207) (R44)
- Unauthorised Vehicles Prohibited (R45)