# The Mines Regulations 2014, Paragraph 12

Extent: E+W+S

In the case of roadways where persons work or pass in front of the last permanent support—
(a) temporary supports must be used; and
(b) the maximum distance between the last permanent support and the first line of temporary supports must be 1.2 metres, except where props are used, when that distance must be 0.9 metres.

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Source: https://www.legislation.gov.uk/uksi/2014/3248/schedule/1/paragraph/12 (the official version)
Page: https://openlegislation.uk/mines-regulations-2014/schedule-1/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.