Severn Bridges Act 1992

22 Special traffic restrictions

(1) In relation to the roads carried by the bridges and the roads within the toll plaza areas, the power conferred by subsection (2) of section 14 of the [1984 c. 27.] Road Traffic Regulation Act 1984 (temporary prohibition or restriction of traffic on roads) shall be exercisable by a constable or an appointed person (as well as by the Secretary of State as traffic authority).

(2) Where that power is exercised by virtue of subsection (1) above, it may be exercised either by notice or by such other means as the constable or appointed person considers appropriate for communicating the prohibition or restriction to persons affected by it; and subsections (4) and (7) of that section shall apply in relation to a communication made by such other means as they apply in relation to a notice under subsection (2) of that section.

(3) In relation to the roads carried by the bridges and the roads within the toll plaza areas, the power conferred by section 17 of the [1984 c. 27.] Road Traffic Regulation Act 1984 (traffic regulation on special roads) shall include power, by regulations made under that section, to prohibit, or to empower appointed persons to prohibit, the use of the roads by—

(a) a particular vehicle, or

(b) vehicles of a particular description,

either generally, in particular circumstances or unless particular requirements imposed by or under the regulations are complied with.