The No Abnormal Vehicles road sign (R233) is a regulatory prohibition sign used to indicate that abnormal vehicles, including oversized or overmass vehicles requiring special routing or permits, are not permitted beyond the sign.
Purpose and function
This sign prevents oversized or abnormal loads from entering routes that cannot safely accommodate them due to clearance limits, road geometry, structural capacity, or operational restrictions.
Typical applications
- Routes with height, width, or turning constraints
- Bridges, underpasses, and restricted structures
- Urban or estate roads with limited manoeuvring space
Temporary alternative
A temporary version is available where restrictions apply for a limited period:
Materials and ordering notes
- 1.2 mm Chromadek steel with a retro reflective sign face
- Poles, clamps, nuts and bolts are not included
- Please confirm stock availability when ordering road signs
Compliance
This sign forms part of the R200 Series prohibition road signs.
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