(1)In this Part—
“roads authority” and “local roads authority” have the same meaning as in section 151 of the [1984 c. 54.] Roads (Scotland) Act 1984; and
“public road” means a road which a roads authority have a duty to maintain.
(2)In this Part “works for road purposes” means—
(a)works for the maintenance of a road,
(b)works for any purpose falling within the definition of “improvement” in section 151 of that Act,
(c)the erection, maintenance, alteration or removal of traffic signs, or
(d)the construction of a crossing for vehicles across a footway or the strengthening or adaptation of a footway for use as a crossing for vehicles.
(3)In this Part “major works for roads purposes” means works of any of the following descriptions executed by the roads authority in relation to a road which consists of or includes a carriageway—
(a)reconstruction or widening of the road,
(b)substantial alteration of the level of the road,
(c)provision, alteration of the position or width, or substantial alteration in the level of a carriageway, footpath or cycle track in the road,
(d)the construction or removal of a road hump within the meaning of section 40 of the [1984 c. 54.] Roads (Scotland) Act 1984,
(e)works carried out in exercise of the powers conferred by section 63 of the Roads (Scotland) Act 1984 (new access over verges and footways),
(f)provision of a cattle-grid in the road or works ancillary thereto, or
(g)tunnelling or boring under the road.