Paragraph 14 Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. para. 11 substituted by M4 Motorway (Junctions 3 to 12) (Variable Speed Limits) 2019 reg. 4(4) The entire length of the Heston Service Area access slip road, a distance of approximately 360 metres. ← Paragraph 13 Paragraph 14 Paragraph 15 →