- 交通信号灯 jiāotōngxìnhàodēng traffic lighta set of red, amber, and green lights used to control the movement of vehicles and pedestrians at road junctions
- 前信号灯 qiánxìnhàodēng front indicatorfront indicator light on a vehicle
- 后信号灯 hòuxìnhàodēng car rear indicatorthe rear indicator light or tail light of a vehicle