# The Coal and Other Mines (Locomotives) Order 1956, Paragraph 21


(1) In any mine of coal or fireclay no person shall use a locomotive for moving any vehicle otherwise than by hauling from in front, except during shunting operations.
(2) In any mine of stratified ironstone or shale no person shall use a locomotive for moving any vehicle otherwise than by hauling from in front except—
(a) during shunting operations; or
(b) for moving a single vehicle at a place within twelve hundred feet of a working face; or
(c) in a length of road in which a locomotive was used for hauling material before the first day of May, nineteen hundred and forty-nine.
(3) Where in any mine of stratified ironstone or shale any vehicle is moved by a locomotive otherwise than by hauling from in front in pursuance of sub-paragraph (c) of the last preceding paragraph, a white light visible at a distance of two hundred feet shall be attached to the front of the vehicle or, if there is more than one, of the leading vehicle:
Provided that nothing in this paragraph shall apply to any single vehicle so moved within twelve hundred feet of any working face.

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Source: https://www.legislation.gov.uk/uksi/1956/1771/schedule/FIRST/paragraph/21 (the official version)
Page: https://openlegislation.uk/coal-and-other-mines-locomotives-order-1956/schedule-FIRST/paragraph-21
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.