Paragraph 3
The uppermost surface of each of the gates shall not be less than 1450 millimetres (“mm”) above the road surface at the centre of the carriageway and the under-clearance between the gates and the carriageway shall not exceed 150 mm.
The uppermost surface of each of the gates shall not be less than 1450 millimetres (“mm”) above the road surface at the centre of the carriageway and the under-clearance between the gates and the carriageway shall not exceed 150 mm.