Under the NRTA, when is a driver permitted to pass (overtake) another vehicle on the left-hand side?

1. Only when the vehicle ahead is turning left.
2. When driving on a one-way street, or if the vehicle ahead is turning right, or on a multi-lane road where overtaking on the left is safe.
3. Whenever the driver is in a hurry and the right lane is blocked.
4. It is never legal to overtake on the left in South Africa.