Drivers may pass another vehicle by using the shoulder of a road:

Question

On multilane roads, the left-most lane is intended to be used for passing. Never pass another vehicle by using the shoulder of a road, whether the shoulder is paved or not. Other drivers will never expect you to be there and may pull off the road and into your vehicle without looking.

Accepted Answer

Under no circumstances.

Answer

When the shoulder is paved.

Answer

When the other vehicle is waiting to turn left.