4(1)Section 21 of the Road Traffic Act 1988 (prohibition of driving or parking on cycle tracks) is amended as follows.E+W
(2)In subsection (1), for “motor” there is substituted “ mechanically propelled ”.
(3)In subsection (3), after paragraph (a) there is inserted—
“(aa)in subsection (1) “mechanically propelled vehicle” does not include a vehicle falling within paragraph (a), (b) or (c) of section 189(1) of this Act,”.