China Bus Subject 4 Practice Questions - China Driver License Subject 4 Theory Test - Bus & Large Passenger Vehicle (科目四 安全文明驾驶常识 - 客车) Exam

Drivers may make handheld phone calls if driving at speeds under 30 km/h in urban bus lanes Drivers are strictly prohibited from answering handheld calls, texting, watching video streams, or browsing devices while operating the vehicle Drivers may send voice messages as long as both hands remain placed at the top of the steering wheel Handheld phone calls are permitted as long as the conversation pertains directly to bus route scheduling