
Urban roads Solar street lighting design guidelines
The following is the “Urban Road Solar Lighting Design Guide” based on the International Lighting Standards (CIE/CJJ): 1. Brightness and Light Efficiency Design Illuminance Standards (Lux) Expressways/Main Roads: Maintain an average illuminance of 25-30 lux (asphalt pavement), reduce by 20%-30% for cement pavement; initial values need to be increased by








