Speed sign


A speed sign is a special traffic light, variable traffic sign or variable-message sign giving drivers a recommended speed to approach the next traffic light in its green phase and avoid a stop due reaching the intersection in a moment of a red traffic light.

Built Speed Signs

Germany
Based on traffic lights cases:
As variable-message sign:
In Canada as "Prepare to Stop"-Sign and Flashing lights
Based on a modified radar speed sign in USA:
Germany: