Following specific requirements of street lighting:
1. The street lighting should be such that the object can be seen by driver of any vehicle. 2. The street lighting should be attractive. 3. It should increase the community value. 4. As per the Indian standard, the illumination level required for high traffic density should be 20:30 lux for medium traffic density it should be 8-15 lux & for low traffic density it should be minimum 4 lux. 5. It should be such that a river of any vehicle sees the object up to 30 mtr. 6. Percentage of glare should be less so there are less chances of accidents, for that angle of reflector should be well maintain. 7. It should be electrical & mechanical safe. 8. The replacement of lighting accessories should be simple 9. The maintenance & repairing should be simple future expansion should be carries out without any difficulty. 10. It should be economical. 11. For high traffic density, generally metal halide lamp, halogen lamps should be used. For medium traffic density sodium vapour lamp , mercury vapour lamp should be used & for low traffic density CFL, LED and fluorescent tube should be used.
OR
Main Objectives of street Lighting: 1) To make the road clearly visible. 2) To promote safety & convenience to the traffic. 3) To make the street more attractive. 4) To increase the community value of the street.