Why are current passenger cars designed without doors on the left side, unlike older models?
According to regulations and prevailing opinions, the driver is held accountable for controlling the vehicle and ensuring the safety of all passengers on board. For this reason, when designing the structure of a 45-seat passenger car, there is no provision made for an additional door at the driver’s position. This is to ensure that the driver remains with the passengers in the event of an incident, rather than abandoning them and fleeing the scene.
There is no real need to design the car door on the left side since the right side already provides a spacious and safer entrance and exit. With the right door available, the driver can easily exit the vehicle and, if necessary, assist passengers in ensuring traffic safety.
The absence of a left-side door enhances the car’s overall solidity as the body becomes a seamless unit. This not only strengthens the frame but also reduces the expenses associated with door materials. Moreover, it improves the car’s visual appeal and creates additional room to install driver-related equipment.
The number of doors in a vehicle is determined based on the vehicle type and passenger requirements. For instance, long-distance buses are designed with a single door to optimize space and accommodate a higher number of seats and beds. On the other hand, buses that have a high volume of passengers constantly entering and exiting are equipped with two doors.
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