What is an important factor to consider regarding passenger safety?

Answer: B — Ensuring the bus is at a complete stop before opening doors

Ensuring the bus is at a complete stop before opening doors is a crucial safety measure that protects both passengers and pedestrians. This practice allows passengers to disembark and board the bus securely without the risk of falling or being struck by other vehicles. It minimizes the chance of accidents, as a moving bus can create dangerous situations for those trying to enter or exit. When the bus is stationary, drivers can assess the surroundings more easily, ensuring that it is safe to open the doors. This measure not only enhances passenger safety but also promotes a more organized boarding process, allowing everyone to enter or exit the bus calmly and without panic. Therefore, adherence to this guideline is vital for the overall safety of all road users.