# The Tanfield Railway (Causey Extension) Light Railway Order 1991, Article 8: Gauge of railway and motive power


The railway shall be constructed on a gauge of 1435 millimetres andthe motive power of the railway shall be diesel, diesel electric, steamor such other motive power as the Secretary of State may approve:
Provided that nothing in this Order shall authorise the use ofelectrical power as motive power on the railway unless such power isobtained from storage batteries or from a source of generation entirelycontained in and carried along with the engines and carriages:
Provided also that, if electrical power is used as motive power on the railway, such electrical power shall not be used in such a manner as to cause or be likely to cause any interference with any telecommunicationsapparatus (as defined in Schedule 2 to the Telecommunications Act 1984) or with telecommunications by means of such apparatus.

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Source: https://www.legislation.gov.uk/uksi/1991/1162/article/8 (the official version)
Page: https://openlegislation.uk/tanfield-railway-causey-extension-light-railway-order-1991/article-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.