However, the reason cited for the shift to blue lighting in the Scottish city was aesthetic and not as a deliberate crime prevention tactic, and reliable evidence supporting claims that a switch to blue streetlights affected crime rates in Glasgow remains difficult to pin down.Ī November 2009 article from the New York Times was similarly (and suspiciously) vague, quoting Mizuki Takahashi of the Japan Institute of Color Psychology on the potential for suicide prevention presented by blue lighting:Ī recent preliminary communication suggested that the calming effect of blue lights installed at the ends of railway platforms in Japan reduced suicides by 84%. That article made mention of a purported crime decrease in Glasgow, Scotland, following the installation of blue streetlights in certain areas. Since the blue lighting was introduced, no suicide attempts have occurred at the station. changed the color of eight lights on the ends of platforms at Gumyoji Station in Yokohama, Japan, in February.Īccording to the company, a few people attempt to commit suicide every year at the station. The Nara, Japan, prefectural police set up blue streetlights in the prefecture in 2005, and found that the number of crimes decreased by about 9 percent in blue-illuminated neighborhoods. Afterward, the number of crimes in areas illuminated in blue noticeably decreased. Glasgow, Scotland, introduced blue streetlighting to improve the city's landscape in 2000.
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