http://www.legislation.gov.uk/ukpga/1980/66/section/64Highways Act 1980An Act to consolidate the Highways Acts 1959 to 1971 and related enactments, with amendments to give effect to recommendations of the Law Commission.1981-03-01texttext/xmlenStatute Law Database2026-07-07Expert Participation2026-07-01 Part V Improvement of Highways Dual carriageways, roundabouts and cycle tracks Dual carriageways and roundabouts.641Where a highway maintainable at the public expense consists of or comprises a made-up carriageway, the highway authority liable to maintain it may construct and maintain works in that carriageway—aalong any length of the highway, for separating a part of the carriageway which is to be used by traffic moving in one direction from a part of the carriageway which is to be used (whether at all times or at particular times only) by traffic moving in the other direction;bat crossroads or other junctions, for regulating the movement of traffic.2The powers conferred by subsection (1) above include power, in relation to any such works as are referred to in that subsection—ato light them,bto pave, grass or otherwise cover them or any part of them,cto erect pillars, walls, rails or fences on, around or across them or any part of them, anddto plant on them trees, shrubs and other vegetation either for ornament or in the interests of safety.3A highway authority may alter or remove any works constructed by them under this section.4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S. 64 applied (14.3.2002) by The Chester Guided Busway Order 2002 (S.I. 2002/412), art. 3(1)(b) (with art. 38)S. 64(4) repealed by Local Government Act 1985 (c. 51, SIF 81:1), s. 102, Sch. 17S. 64(5) repealed (1.1.1993) by New Roads and Street Works Act 1991 (c. 22, SIF 59, 108), s. 168(2), Sch. 9; S.I. 1992/2984, art. 2(2), Sch. 2.Pt. V (ss. 62-105) extended (13.2.1992) by Severn Bridges Act 1992 (c. 3), s. 32(2)(a)S. 64 functions made exercisable concurrently (3.3.2017) by The Cambridgeshire and Peterborough Combined Authority Order 2017 (S.I. 2017/251), arts. 1(2)(b), 9(2)(c)(3)