A driver who has signalled, braked, and gradually moved to the centre of the road before turning right has fulfilled the primary duties of a turning driver. A reasonable driver in that position is not required to have regard to the possibility of following traffic after giving such warning, and even if such a duty exists, failure to observe following traffic is not causative of harm where the following vehicle gave no indication of an intention to overtake. The burden lies on the plaintiff to prove that any indication of intention to overtake was given in sufficient time for the turning driver to see it and react.
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