(1) In this regulation:
class 1 vehicle means a restricted access vehicle that—
(a) is one of the following kinds of vehicle or combination:
(i) a special purpose vehicle;
(ii) an agricultural vehicle;
(iii) a vehicle or combination, including a low-loader and load platform combination, that is designed to carry a large indivisible item or is carrying a large indivisible item; and
(b) is—
(i) oversize; or
(ii) overmass; and
(c) is not one of the following:
(i) a B-double;
(ii) a road train;
(iii) a vehicle or combination that is carrying a freight container designed for multi-modal transport.
(2) In this section:
"multi-modal transport" means transport by road and 1 or more of sea, rail or air.