Historical
BS ISO 16121-3:2005
Road vehicles. Ergonomic requirements for the driver's workplace in line-service buses. Information devices and controls (British Standard)
ISO 16121-3:2005 applies to the driver's workplace in low-floor 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 tons and a maximum width exceeding 2,30 m.
It gives the requirements for the location of information devices and controls.
British Standards Institution [bsi]