"Jsou barvy na semaforech všude stejné?"

Translation: Are the colors of traffic lights the same everywhere?

[DeniseSchl5]

In most countries yes but I have heard not all have three lights. Some only have red and green. Also we call the middle light yellow but some countries say it is orange.

[VladaFu]

or amber

[AdamStar1]

Nemohlo by být "are colors of the traffic lights the same everywhere"?

[VladaFu]

nemyslim