Highways Act 1980

3 (1) The provisions of this Act (except section 19) and of paragraph 5 of Schedule 5 to the [1971 c. 78.] Town and Country Planning Act 1971 apply in relation to the trunk roads described in sub-paragraph (2) below, which are trunk roads by virtue of orders made under section 1 of the [1946 c. 30.] Trunk Roads Act 1946, as if they were special roads provided by the Minister in pursuance of schemes made under section 16 of this Act for the use of traffic of the classes specified in the third column of the table in sub-paragraph (2) below.

(2) The trunk roads referred to in sub-paragraph (1) above are the trunk roads for which provision was made by the orders specified in the first column of the following table (referred to below as " the original orders"), as those roads are now constituted, having regard to any orders or schemes varying the original orders:

Original Order	Description of Road	Class of Traffic (as described in Schedule 4)
S.R. & 0. 1947, No. 2248.	Stevenage By-Pass, part of A1(M) motorway.	Classes I and II.
S.R. & 0. 1947, No. 1562.	Severn Bridge and adjoining sections of M4 motorway.	For main carriageways: Classes I and II.
		For cycle track on Severn Bridge: Classes VII, X and XI.
		For footway on Severn Bridge: Class IX.
S.I. 1948, No. 924.	Haysgate to Crick, part of M4 motorway.	Classes I and II.
S.I. 1948, No. 62.	Newport By-Pass, part of M4 motorway.	Classes I and II.
S.I. 1949, No. 2360.	Twyning to Lydiate Ash, part of M5 motorway.	Classes I and II.
S.I. 1949, No. 2459.	Port Talbot By-Pass, part of M4 motorway.	Classes I and II.

(3) Without prejudice to the generality of sub-paragraph (1) above, the power (under section 14 of the [1978 c. 30.] Interpretation Act 1978) to revoke or amend schemes under section 16 of this Act includes power to revoke or amend any of the original orders and to amend the provisions of the third column of the table in sub-paragraph (2) above.