ISO 16121-1:2012适用于设计用于载客的低地板线路服务巴士中的驾驶员工作场所，除驾驶员座椅外，还包括八个以上的座椅，最大重量超过五公吨，总宽度超过2.30m。 ISO 16121-1:2012包含了人体工程学和舒适座位的基本要求，这对于保持驾驶员健康状态至关重要。应仔细选择驾驶员座椅、踏板和转向装置的尺寸和安装位置，以使驾驶员能够坐在符合人体工程学的座位上，即以符合给定舒适度范围的角度坐着，并在坐着时允许一些变化。

ISO 16121-1:2012 applies to the driver's workplace in low-floor line-service buses designed for the carriage of passengers, comprising more than eight seats in addition to the driver's seat, and having a maximum weight exceeding five metric tonnes and an overall width exceeding 2,30 m. ISO 16121-1:2012 contains basic requirements for an ergonomic and comfortable seating position, which is essential to keep drivers in a good state of health. The dimensions and mounting positions of a driver's seat, pedals and steering should be carefully chosen to enable drivers to sit in an ergonomic seating position, i.e. sitting at angles which comply with the given ranges of comfort and to allow some variation when seated.