Traffic knowledge: "A"-Sign at the traffic light: Do you know what the letter means?

Some signs and signals are relatively unknown in German local transport. You can find out in the video what the meaning of the “A” sign on a traffic light is and why it can ensure that buses can better adhere to their timetable.

Some signs and signals are relatively unknown in German local transport. You can find out in the video what the meaning of the “A” sign on a traffic light is and why it can ensure that buses can better adhere to their timetable.