Loading the question bank
Revision question · Road and traffic signs
Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Where there's a long, steep, uphill gradient on a motorway, a crawler lane may be provided. This helps the traffic to flow by diverting the slower heavy vehicles into a dedicated lane on the left.
Reviewed reading for this question