5.—(1) Notwithstanding the provisions of regulation 4(2)(b)(i), where in a length of road there are—
(a)two side road junctions not more than 25 metres apart, or
(b)three side road junctions none of which is more than 25 metres from the next one, a road hump may be constructed beyond each end of that length of road if each hump is constructed within 15 metres from the side road junction nearest to it.
(2) Notwithstanding the provisions of regulation 4(2)(b)(i), (ii) and (iii), where in a length of road starting with a feature of a kind specified in regulation 4(2)(b)(i), (ii) or (iii)—
(a)there is a side road junction situated not more than 25 metres from that feature, or
(b)there are two side road junctions not more than 25 metres apart and one or both of which are not more than 25 metres from that feature, a road hump may be constructed beyond the end of that length of road furthest from that feature if the hump is constructed within 15 metres from the junction or from the junction furthest from the feature (as the case may be).
(3) For the purposes of this regulation a side road junction includes a crossroad junction.