Article 3
No person shall cause or permit any vehicle proceeding in the trunk road to make a `U'-turn so as to proceed in the opposite direction to that in which it was proceeding—
(a)
at the northeastern end of the central reservation, being a point opposite the junction of Norstead Place with the trunk road; and
(b)
at the southwestern end of the central reservation, being a point 30 metres southwest of the southwestern boundary of Number 114 Roehampton Vale.