STREET ILLUMINATING METHOD AND STREET ILLUMINATING FIXTURE

摘要

PROBLEM TO BE SOLVED: To provide at a low cost a street illuminating method and a street illuminating fixture which not only enable the woman, which is the weak, to walk without anxiety in the night but also have the effect to suppress road crimes. SOLUTION: A plurality of street posts 2a and 2b are built along one side 1a of a street, and lighting fixtures 3a and 3b are mounted respectively on the street posts 2a and 2b at a height of 4.5 m to 6 m of each post. For lighting the street, such plural street posts 2a and 2b are placed along the street at intervals of 30 m to 40 m. A vertical illuminance at a surface facing the closest light fixture at the height of 1.5 m above an arbitrary location of a road surface of the street is set to a value of not less than 0.5 lx.