A radar speed sign or speed feedback sign is an interactive sign comprising a speed-measuring device (e.g. a loop detector or radar) and a message sign generally constructed of a series of LEDs, which displays vehicle speed of approaching motorists.
A radar speed sign or speed feedback sign is an interactive sign comprising a speed-measuring device (e.g. a loop detector or radar) and a message sign generally constructed of a series of LEDs, which displays vehicle speed of approaching motorists.
Source: Wikipedia "Radar speed sign" · CC BY-SA 4.0
Share this article: X · Bluesky