Fire engines etc.U.K.
4(1)A fire engine is an exempt vehicle.
(2)In sub-paragraph (1) “fire engine” means a vehicle which—
(a)is constructed or adapted for use for the purpose of fire fighting or salvage (or both), and
(b)is used solely for the purposes of a fire brigade (whether or not one maintained under the M1Fire Services Act 1947 or the M2Fire Services (Northern Ireland) Order 1984).
5A vehicle which is kept by a fire authority is an exempt vehicle when it is being used or kept on a road for the purposes of the authority’s fire brigade service.