6. Save as provided in regulation 7, where a road hump or series of road humps is constructed in a road the roads authority for that road shall forthwith cause to be placed and thereafter cause to be maintained—
(a)traffic signs of a kind shown in diagram 557.1, in combination with traffic signs of a kind shown in diagram 557.2, 557.3 or 557.4 in Part I of Schedule 1((1)) to the Traffic Signs Regulations in such positions as the authority may consider requisite for the purpose of providing adequate warning of the presence of a road hump or a series of road humps to persons using the road;
(b)except in a case specified in sub-paragraph (c) below, on the road hump or, in the case of a series of road humps, on each hump in the series, the traffic sign shown in diagrams 1060 and 1060.1 in Schedule 2 to the Traffic Signs Regulations or in diagram 1061 and 1061.1 in that Schedule((2));
(c)in a case where a road hump is placed on a road in accordance with regulation 5(2), a traffic sign of the kind shown in diagram 544 in Part I of Schedule 1 to the Traffic Signs Regulations facing traffic approaching the pedestrian crossing together with a traffic sign of the kind shown in diagram 547.5 in that Part((3));
(d)in a case where a road hump is placed on a road in accordance with regulation 5(4), a traffic sign of a kind shown in diagram 547.6 in Part I of Schedule 1(4) to the Traffic Signs Regulations facing traffic approaching the pedestrian crossing together with a traffic sign of the kind shown in diagram 543 in that Part.
Diagram 557.1 in combination with diagrams 557.2, 557.3 and 557.4 were inserted by regulation 6 of S.I. 1983/1088.
Diagrams 1060, 1060.1, 1061 and 1061.1 were inserted by regulation 6 of S.I. 1990/704.
Diagram 547.5 was inserted by regulation 2 of S.I. 1986/1859.
Diagram 547.6 was inserted by regulation 5 of S.I. 1990/704.