# The Traffic Signs Regulations and General Directions 2002, Paragraph 9


When a vehicle is being used for relevant authority (as defined in section 6 of the Fire (Scotland) Act 2005 (asp 5)) or, in England and Wales, fire and rescue authority, ... bomb or explosive disposal ... or police purposes and the observance of the prohibition in paragraph 7(1) or 8 would be likely to hinder the use of that vehicle for the purpose for which it is being used, then that prohibition shall not apply to the driver of the vehicle.

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Source: https://www.legislation.gov.uk/uksi/2002/3113/schedule/19/paragraph/9 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2002/schedule-19/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.