PART ITHE TRAFFIC SIGNS REGULATIONS 1994
SECTION 3WARNING, REGULATORY AND INFORMATORY TRAFFIC SIGNS
Illumination of plates20
1
Where a plate is placed in combination with a sign shown in a diagram in Schedules 1 to 5 or 12, and that sign is illuminated in accordance with regulation 18, the plate shall, subject to paragraph (2), be illuminated by the same means as the sign.
2
Paragraph (1) shall not apply where the means of lighting provided for the illumination of the sign adequately illuminates the plate.