# The Motorways Traffic (Speed Limit) Regulations 1974, Paragraph 12


That length of motorway known as Dartmouth Circus Slip Road West which lies adjacent to and parallel with the western carriageway of the Aston Expressway A38(M) and which extends from its junction with Dartmouth Circus Roundabout in a northerly direction for a distance measured along the said length of motorway of 345 metres.

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Source: https://www.legislation.gov.uk/uksi/1974/502/schedule/2/paragraph/12 (the official version)
Page: https://openlegislation.uk/motorways-traffic-speed-limit-regulations-1974-uksi-1974-502/schedule-2/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.