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General criteria in street lighting

Street lighting plays an important role in modern social life, contributing to ensuring traffic safety, improving quality of life, and creating a civilized, modern urban image. Choosing the right lighting solution is crucial to meeting the growing demand for lighting efficiency, energy savings, and environmental protection.

Standards for street lighting quality

STTFunctional SpaceCharacteristics Brightness (cd/m²) The brightness is the same.The brightness is vertical.  Minimum Medium Horizontal Range (lux)
1City Highway LightingHigh speed, high density, no rough media200,40,7
2City level street lightingThere’s a spacing.1,50,40,70,7
2Highway lighting.No spacing20,40,70,7
3Local street lightingThere’s a spacing.10,40,50,5
4Local street lightingNo spacing1,50,40,50,5
5Interior street lightingBoth sides of the street.0,750,40,5
6Interior street lightingOn the dark side of the road.0,50,40,3
7Neighborhood0,2 – 0,4


The urban highway serves high-speed traffic, continuous traffic, long-distance traffic, and large traffic capacity. Routes are characterized by the width of the heart of the road (6–10 lanes), so street lighting ensures navigability, helping the driver quickly and accurately handle situations on the road.

City Highway

The main axis, covered by the urban area, serves high-speed traffic (up to 80 km/h)  with urban significance. Connecting large residential centers, large industrial parks, and urban buildings, street lighting ensures navigability, ensures safety for traffic participants, and beautifies the urban landscape at night.

Area level line

Area-level streets are transportation-sensitive areas such as large residential areas and districts. Thus, lighting ensures safety for traffic participants while also beautifying the urban landscape at night.

Internal level line

Internal streets are connections between branches, residential units, industrial parks, and public or commercial sites. Thus, lighting ensures safety for traffic participants while also beautifying the urban landscape at night.

When lighting the street, take note of the following points

  • Safety and security: Ensure enough light to reduce accidents and prevent crime.
  • Energy efficiency: Use energy-saving LEDs and intelligent adjustment systems to reduce costs and protect the environment.
  • Aesthetics and habitat: harmonious lighting designs that don’t shine and create beauty for the surrounding area.
  • Compliance with regulations: Ensure that the lighting system complies with technical regulations and does not cause light pollution.
  • Maintenance and sustainability: Perform regular maintenance and choose sustainable materials to extend the life of the system.
  • Versatility and flexibility: The system design can be adapted to special events or seasonal changes.

Download detailed instructions on lamp selection and installation here

LED lights used in street lighting

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