You will be required to comply with this standard if you intend to operate a road train over 22m long. A road train is a line of linked trailers pulled by a truck.
You must display a road train or long vehicle warning sign which meets the requirements set out in this standard. This standard gives the forms and dimensions of a range of letters and numerals to be used on standard road signs. Please consult the Contact Officer for more information and to ascertain the level of compliance that may be required by your business.