One solution would be to construct a system of grade - separated walkways throughout much of the urban area . these walkways would need direct access to buildings and transport interchanges , escalator approaches from ground level , and could incorporate travelators and air - conditioning 在市区范围内兴建一些与车路分隔的行人通道设施，是一个解决方法。这些行人通道须直达各大厦及交通交汇处，有自动电梯连接地面，并可设有自动行人道及空气调节。
One solution would be to construct a system of grade - separated walkways throughout much of the urban area . these walkways would need direct access to buildings and transport interchanges , escalator approaches from ground level , and could incorporate travelators and air - conditioning 在市区范围内兴建一些与车路分隔的行人通道设施，是一个解决方法。这些行人通道须直达各大厦及交通交汇处，有自动电梯连接地面，并可设有自动行人道及空气调节。
Speed controls for traction include not only electrical vehicles of horizontal transportation such as electrical trains , internal - combustion locomotives with electrical transmissions , underground metros , light fait locomotives , trolley buses , even magnetic suspension trains and electrical cars etc . , but also electrical vertical traction systems such as elevators , automatic moving staircases , mine winding engines , and gantry crane trucks etc 牵引调速既包括电气火车、电传动的内燃机车、地下铁道、轻轨机车、无轨电车及磁悬浮列车和电动汽车等这类水平运输电动车辆，也包括电梯、自动电梯、矿井卷扬机和龙门吊车等电动竖直牵引系统。
