For how long should a bus stop in a bus stop?

1. It is permitted to stop for an unrestricted period of time.
2. For as long as it takes to load passengers – this always takes more time than unloading.
3. For as llong as it takes for passengers to get on the bus with their luggage.
4. Correct answer: For as long as it takes to load and unload passengers.

WhyA bus stays at a stop exactly as long as it takes to let passengers on and off. Not less, and not as long as it likes.