它长84.5米，时速2.4公里。几年后，车站的交通方式发生变化后，人行

它长84.5米，时速2.4公里。几年后，车站的交通方式发生变化后，人行道被拆除。

結果 (英文) 1:

It is 84.5 meters long and has a speed of 2.4 kilometers per hour. A few years later, the sidewalk was demolished after the traffic mode of the station changed.

結果 (英文) 2:

It is 84.5 metres long and has a speed of 2.4 kilometres per hour. A few years later, after the station's mode of transportation changed, the sidewalks were removed.

結果 (英文) 3:

It is 84.5 meters long and 2.4 kilometers per hour. A few years later, after the traffic mode of the station changed, the sidewalk was removed.