A study in Japan and Scotland found that blue street lights helped decrease the crime & suicide rate.
http://psychcentral.com/blog/archives/2008/12/13/can-blue-colored-light-prevent-suicide/
They blue can be associated with law enforcement, is a more 'pleasant' color and one is a slower or more cautious under blue light.
A railroad also noted no suicide attempts on their sites with blue lights.
http://psychcentral.com/blog/archives/2008/12/13/can-blue-colored-light-prevent-suicide/
They blue can be associated with law enforcement, is a more 'pleasant' color and one is a slower or more cautious under blue light.
A railroad also noted no suicide attempts on their sites with blue lights.