# Road Traffic Regulation Act 1984, Paragraph 19


In this Part of this Schedule “principal road” means a road for the time being classified as a principal road—
(a) by virtue of section 12 of the Highways Act 1980 (whether as falling within subsection (1) or as being so classified under subsection (3)), or
(b) by the Secretary of State under section 11(1) of the Roads (Scotland) Act 1984.

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Source: https://www.legislation.gov.uk/ukpga/1984/27/schedule/9/paragraph/19 (the official version)
Page: https://openlegislation.uk/road-traffic-regulation-act-1984/schedule-9/paragraph-19
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.