# The Road Humps (Scotland) Regulations 1989, Regulation 4: Circumstances in which road humps may be constructed and maintained


(1) A road hump shall not be constructed in—
(a) any road which has more than one carriageway, or
(b) any special road whether or not it has more than one carriageway.
(2) A road hump shall only be constructed in a road where—
(a) to afford illumination throughout the hours of darkness there is a system of street lighting furnished by at least three lamps lit by electricity and placed not more than 38 metres apart or external lighting specifically provided for the hump or a street lamp within 5 metres of the hump; and
(b) on each road affording access for vehicular traffic to the road hump or, in the case of a series of road humps, the first in the series to be met by such traffic, there is a feature of one or more of the following descriptions:—
(i) save as provided in regulation 5(1) and (2) a horizontal bend or a junction between one road and another at which vehicular traffic would change its direction by not less than 70 degrees within an inner kerb radius of not more than 25 metres,
(ii) a traffic sign facing away from the road hump conveying to vehicular traffic the prohibition specified in diagram 616, 617 or 619 in Part II of Schedule 1 to the Traffic Signs Regulations,
(iii) the end of the carriageway at the closed end of a cul-de-sac, (iv) a traffic sign conveying to vehicular traffic the prohibition specified in diagram 1002.1 in Schedule 2 to those Regulations, any such feature being in the case of (i), (ii) or (iii) within 40 metres and in the case of (iv) within 60 metres of the hump.

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Source: https://www.legislation.gov.uk/uksi/1989/1095/regulation/4 (the official version)
Page: https://openlegislation.uk/road-humps-scotland-regulations-1989/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.