77Giving way to buses

77 Giving way to buses (1) A driver driving on a length of road in a built-up area, in the left lane or left line of traffic, or in a bicycle lane on the far left side of the road, must give way to a bus in front of the driver if— (a) the bus has stopped, or is moving slowly, at the far left side of the road, on a shoulder of the road, or in a bus-stop bay; and (b) the bus displays a give way to buses sign and the right direction indicator lights of the bus are operating; and (c) the bus is about to enter or proceed in the lane or line of traffic in which the driver is driving. left lane, of a road, means— (a) the marked lane nearest to the far left side of the road (the first lane) or, if the first lane is a bicycle lane, the marked lane next to the first lane; or (b) if there is an obstruction in the first lane (for example, a parked car or roadworks) and the first lane is not a bicycle lane—the marked lane next to the first lane. left line of traffic, for a road, means the line of traffic nearest to the far left side of the road.