26. On a roadway with a two-way centre lane, the driver of a road vehicle who is about to turn left at an intersection with a roadway must, after signalling and ascertaining that the manoeuvre can be done in safety, move to the extreme left of the centre lane, proceed in a straight line to the near side of the roadway the vehicle is turning into and turn onto the other roadway as soon as the way is clear,(1) on the right-hand side, if it is a two-way roadway;
(2) on the right-hand side and as close as possible to the centre line, if it is a roadway with 2 or more traffic lanes in both directions;
(3) on the left-hand side, if it is a one-way roadway.