What is the meaning of the sign?

It is mandatory to stop for customs inspection.

Slow down for passport control.

There is no need to stop for customs inspection (this is a duty-free facility).

Stopping is mandatory only if you have something to declare.

Road sign: stop for customs inspection

Special speed: it is forbidden to drive faster than shown on the sign (in km/h)

Public transport vehicles are permitted to pass the sign on the left

Up to where are the signs valid?

End of the section of special speed

You are approaching a junction when the green light at the traffic light has started to flash:

Entrance to urban roads zone