that the vehicle was driven or (as the case may be) parked in contravention of that subsection for the purpose of saving life, or extinguishing fire or meeting any other like emergency, or

that the vehicle was owned or operated by a highway authority or by a person discharging functions on behalf of a highway authority and was driven or (as the case may be) parked in contravention of that subsection in connection with the carrying out by or on behalf of that authority of any of the following, that is, the cleansing, maintenance or improvement of, or the maintenance or alteration of any structure or other work situated in, the cycle track or its verges, or

that the vehicle was owned or operated by statutory undertakers and was driven or (as the case may be) parked in contravention of that subsection in connection with the carrying out by those undertakers of any works in relation to any apparatus belonging to or used by them for the purpose of their undertaking.

“cycle track” and other expressions used in this section and in the M1Highways Act 1980 have the same meaning as in that Act,

in subsection (2)(c) above “statutory undertakers” means any body who are statutory undertakers within the meaning of the Highways Act 1980, any sewerage authority within the meaning of that Act or the operator of a telecommunications code system (as defined by paragraph 1(1) of Schedule 4 to the M2Telecommunications Act 1984), and in relation to any such sewerage authority “apparatus” includes sewers or sewerage disposal works.