traffic signal

Drivers must be on the alert for traffic signals.

驾驶员必须密切注意交通信号。

It also includes current operator, traffic, signaling, trackage rights, previous operators and passenger use.

还包括当前经营公司、交通量、信号、铁道线路权、前经营公司和旅客使用情况。

The traffic signal lamp provided by the invention ensures that people with achromatopsia can also identify the traffic signals.

本发明提供的交通信号，使得了色盲症的人也能辨识交通信号。

The traffic signal lamp of the important composition part controlled as the traffic should internationalize too.

作为交通控制的成部份的交通信号也应国际化。