While many people realize that traffic signals can reduce the number of angle collisions at an intersection, few realize that signals can also cause an increase in other types of accidents. For example, it has been well documented that other types of accidents, notably rear-end collisions, usually increase when a signal is installed.

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Normally, traffic engineers are willing to trade off an increase in rear-end collisions for a decrease in the more severe angle accidents; however, when there is no angle accident problem at an intersection, there is nothing to trade off, and the installation of traffic signals can actually cause a deterioration in the overall safety at the intersection. Traffic signals should not be considered a "cure-all" for traffic congestion, and the primary goal of all traffic engineers is to attain the safest and most efficient traffic flow feasible.

In addition to an increase in accident frequency, unjustified traffic signals can also cause excessive delays, disobedience of signals and diversion of traffic to inadequate alternate routes.

Traffic signals are much more costly than is commonly realized, even though they represent a sound public investment when justified. A modern signal can cost taxpayers between $80,000 and $100,000 to install, depending on the complexity of the intersection and the characteristics of the traffic using it. On top of this, there is the perpetual cost of the electrical power consumed in operating a signalized intersection 24 hours a day. This cost now averages about $1,400 per year.

The advantages and disadvantages of the signal light traffic lights lamp factory

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-02-03

There are a lot of people reflect, why didn't the intersection traffic lights? Why can't the traffic lights to cancel? Many problems and so on. Exactly what kind of intersection need light? Advantage 1. Effective operation of traffic flow of intersection


many citizens reflect why didn't the intersection traffic light. Why can't the lights to cancel? And so on many questions. What kind of a crossroads need traffic lights? Strong point 1. Effective control and management of traffic intersection; 2. Reduce the number of traffic conflict, strengthening the traffic safety, improve intersection capacity; 3. Allocating more just, reasonable and efficient way; 4. Traffic signal control can reduce the number of intersection Angle collision accidents; Traffic light 5. For signal intersection, the safety of pedestrians through the crowded roads than no signal intersection. Deficiency in 1. When the intersection traffic volume is very small, compared with other control methods, for the motor vehicle traffic light control will increase delay; 2. Non-standard signal timing plan will increase traffic delay time, and has the potential of traffic safety accident factors; 3. If the traffic signals in the wrong position, interferes with the traffic flow of trunk; 4. After the traffic light control, intersection lines may increase crash. 5. If the system fault occurred in the busy period, will cause a lot of security and the congestion problem. The above content from guangdong new energy signal light pole manufacturers. Please indicate whether the copy.

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