# The Traffic Signs (Temporary Obstructions) Regulations 1997, Paragraph 3


The base may be of any colour or it may be omitted.

---
Source: https://www.legislation.gov.uk/uksi/1997/3053/schedule/2/part/1/paragraph/3 (the official version)
Page: https://openlegislation.uk/traffic-signs-temporary-obstructions-regulations-1997/schedule-2/part-1/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.