A 2015 study published in the Journal of Epidemiology and Community Health looked at statistics where researchers studied lights that were turned on at certain hours, dimmed, or turned off completely, and found that it had no impact on traffic collisions or crime.
Um estudo publicado em 2015 no Journal  of Epidemiology and Community Health investigou estatísticas onde os pesquisadores estudaram luzes que foram desligadas em certas horas, reduzidas, ou desligadas completamente, e descobriram que isso não teve impacto sobre os acidentes de trânsito ou o crime.