Do not overtake, stay well back and be prepared to stop.
When turning into narrow roads articulated and long vehicles will need more room. Initially they will need to swing out in the opposite direction to which they intend to turn. They could mask another vehicle turning out of the same junction. DON’T be tempted to overtake them or pass on the inside.
B Overtake on the left before the lorry reaches the junction
C Overtake on the right as soon as the lorry slows down
D Do not overtake unless you can see there is no oncoming traffic