People know traffic lights with different names, like spotlights and traffic signals. These play major role to control the road traffic. Initially, these lights comprise of only two lamps i.e. a green and a red color, which has still found its usage in many countries. However, in case of those traffic lights, there was no way to operate changing of lights automatically; instead, individuals have to change or operate it manually. In other words, traffic officers have to remain present to turn the lantern for making sure of facing right light for the traffic.
Hence, in order to overcome the problem, majority of traffic light manufacturer companies have come up with latest and automated methods to control traffic on roads. In addition, today’s traffic signals come with excellent LED lights to give brighter indication during both day and night time, while on the other side, allows for saving big amount of money.
Functions of Traffic Light Signals in Detail
If you go for a brief description, traffic signals mainly assure the safe possible flow of traffic in any particular location. Traffic lights of modern times come in three different yet common colors i.e. green, yellow and red, all of which made by using LED bulbs. If you give time to know traffic light core, red color indicates the activity of stop and sometimes, it indicates for closed road.
Yellow color is mainly found in between green and red, which indicates vehicle drivers to be ready for activation of green color and finally on displaying of green color, one has to move ahead or cross the road. Interestingly, green and red colored lights mostly last for relatively long hours than yellow one. In some special cases, you have to stay at stop light for about 5 minutes or even more whenever you found shinning of red light. This type of situation takes place whenever construction work takes place across the road.
Advancements in Traffic Lights
Individuals willing to get details about advancements in traffic light functions based on traffic light module will be able to find drastic improvements based on sound effects. Main objective behind this advancement is to make sure about safety of various pedestrians, who have vision problems. Along with this, in order to maintain brightness, life longevity and reduce cost associated with placing traffic lights, reputed traffic signal manufacturers have also come up with traffic lights designed with innovative light emitting diodes.