(1) The driver of any vehicle may drive for up to the permitted distance in a bicycle lane, bus lane, tram lane, transit lane or truck lane if it is necessary for the driver to drive in the lane—
(a) to enter or leave the road; or
(b) to enter a part of the road of 1 kind from a part of the road of another kind (for example, moving to or from a service road, the shoulder of the road or an emergency stopping lane); or
(c) to overtake a vehicle that is turning right, or making a U-turn from the centre of the road, and is giving a right change of direction signal; or
(d) to enter a marked lane, or part of the road where there is room for a line of traffic (other than motorbikes, bicycles, motorised wheelchairs or animals), from the side of the road.
(2) The driver of any vehicle may drive in a bicycle lane, bus lane, tram lane, transit lane or truck lane if—
(a) it is necessary for the driver to drive in the lane to avoid an obstruction; or
(b) information on or with a traffic sign applying to the lane indicates that the driver may drive in the lane.
(2A) The driver of any of the following vehicles may drive in a bus lane:
(a) a taxi;
(b) a hire car;
(c) a demand responsive service vehicle;
(d) a motorbike.
(3) It is a defence to the prosecution of a driver for an offence against a provision of this division for driving in a bicycle lane, bus lane, tram lane, transit lane or truck lane if—
(a) it is necessary for the driver to drive in the lane to stop at a place in the lane; and
(b) the driver is permitted to stop at that place under this regulation, or it is a defence under section 165 (Stopping in emergency etc or to comply with another provision) for the driver to stop at that place; and
(c) if the lane is a bicycle lane—the driver drives in the lane for no more than the permitted distance.
(4) In this section:
"permitted distance" means—
(a) for a bicycle lane or tram lane—50m; or
(b) for any other lane—100m.