It is the one different from a usual crime prevention light and there is a blue crime prevention light.
It is assumed that there is an excellent effect of crime prevention in the blue crime prevention light, and has come to steal the limelight in 2005.
It has come to be set up for crime prevention also in the Japanese whole country assuming that it is effective.
It is assumed that there is an effect of making parasympathetic of man settle down in blue ,in a word, the calling effect.
Because criminal’s state of excitation is controlled by making person’s mental status calm, it does.
In addition, it is said that blue light sees the prospect better better ahead than a usual light on the night of the day of fine.
It was assumed that there was a controlling effect that the worry of the criminal about his person eyes for that and gave up the crime.
Moreover, a blue light is secured view and is active also in a dark tunnel etc. by seeing well.
It is assumed that crime prevention is effective because the criminal avoids the district recognizing that it is a town where the entire the town works on crime prevention when the blue crime prevention light is set up in the town recently.
Therefore, the crime rate seems to have decreased in the district where the blue crime prevention light was set up.
However, there is a minus side, too.
Blue light deteriorates view in rainy and the fog.
It is assumed that there is danger of promoting the traffic accident for that.
Almost the same view as a white light is enabled not to be secured if some brightness is not kept if the blue crime prevention light is used.
The proof whether the crime decreases really by the effect of the blue crime prevention light seems not to be taken.
There are some problems, too.
It wishes the blue crime prevention light to evolve further while holding future tasks.
