# The M4 Motorway (Severn Bridge) (Speed Limit) Regulations 1995, Regulation 3: Speed limit


No person shall drive a motor vehicle at a speed exceeding 40 miles per hour on a carriageway of the length of motorway specified in the Schedule to these Regulations at any time when—
(a) there is placed at the beginning of that carriageway a traffic sign of the size, colour and type shown in the diagram numbered 670 in Schedule 2 to the Traffic Signs Regulations 1994; and
(b) that sign is directed at traffic intending to proceed along that carriageway.

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Source: https://www.legislation.gov.uk/uksi/1995/2168/regulation/3 (the official version)
Page: https://openlegislation.uk/m4-motorway-severn-bridge-speed-limit-regulations-1995/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.