A radar speed sign is a sign that is used to interact with the driver to define the speed limits on the road. It is generally made up with LEDs.The main purpose of the radar sign is to slow cars if it is driving above the speed limits. They are used as traffic control devices.
Driver feedback signs are very much useful and coefficient way to lead the traffic and catch the attention of the driver .The main motto of the driver feedback signs is to slow down the traffic if it is in congested running in a congested area in high speed. It is useful to detect each driver’s highest and lowest speed .By this process the number of vehicles which have galloped can be identified and number of slow vehicles can also be identified. The driver who maintains traffic rules and maintain normal speed can be discriminated from hasty drivers.
Driver feedback signs are mainly installed in roads by the municipalities to keep the pedestrian and the driver safe on the road. The challenges of the road are like over speeding, overtaking from the wrong side, driving the car in the wrong lane. It is mainly used to overcome this challenge faced in the roads. .The residents of private apartments want to save them and their families. In their own community, they install it to keep everyone safe on the roads of their community. The rush of vehicles along the school road can lead to accidents of any student. So every school installs it in the nearby roads to keep the students safe and secure now .In corporate campuses and also in industrial environment low speed is very much needed for the safety of the workers. So driver feedback signs can also be installed there.
 Different Radar speed signs are available in the market with various attractive features and of different price ranges. Some are sophisticated and some are inexpensive. Radar speed sign can contain high-end camera which can click photos of those cars which are in extreme speed. It is a display unit which shows the speed of the running vehicles. Based on the speed of the motorist the Radar speed signs can ask the driver to slow down and also request them drive carefully. The Police cannot be present everywhere on the road to control the traffic and maintain signals. Soit can be helpful to them and if they use this system they can be benefitted.
The effectiveness of radar speed display is very much high. They are mainly of different sizes and they are also placed in the many positions on the road that can be easily visualized by the driver. Most of the radar speed displays are mounted on a pole. Sometimes they are also be seen in the form of trailers showing the driver safe journey in the display unit. They are usually powered by AC current. Solar powered variable message sign having battery facility are now in very much use. These units are used for analysing data of each passing vehicles through the radar zone. The system of the radar display unit is designed as seven segment display unit which contains logic gates and circuits. They are constructed in a manner that they can be lasted long in their work life, Modern radar display units are user-friendly and updatable because they are now connected with the Internet. By which data of each vehicle can be evaluated within a few seconds. Modern display units are highly visible from far distance and it comes with glare lenses that can be helpful in low lighting conditions.