Article 3 Prescribed Routes and Prohibitive Turns
Subject to the provisions of article 4—
(a)
any person causing a vehicle to proceed on the north side of the traffic island shall not cause that vehicle to proceed in any direction other than eastwards towards the north-eastern arm of Cranford High Street and on reaching the junction with the north-eastern arm of Cranford High Street shall not cause that vehicle to continue in any direction other than left; and
(b)
any person causing a vehicle to proceed southward in the trunk road on the south-west side of the traffic island, shall not cause that vehicle to continue in any direction other than ahead.