What is the purpose of the “hard shoulder” on freeways?

1. Correct answer: It is an escape place in case of danger.
2. It is a place to stop and talk on the cellular phone,
3. It is a place for parking and stopping for the purpose of driver refreshment.
4. It is a lane used for overtaking restricted vehicles, which illegally drive in the right lane

WhyThe motorway shoulder is an escape place for emergencies. You may not rest, make calls or overtake on it.