Others got, planned maintenance in progress.

计划维护进行中。

Yes, more investment is needed, but passengers will not be willing to pay more indefinitely if they must also endure cramped, unreliable services, punctuated by regular chaos when timetables are changed, or planned maintenance is managed incompetently.

是的，需要更多的投资，但如果乘客还必须忍受拥挤、不可靠的服务，在时刻表改变或计划维修管理不力时经常出现混乱，他们就不会愿意无限期地支付更多的费用。