Urban road lighting design standard CJJ45-91

Introduction to urban road lighting design standard CJJ45-91, please download the complete standard.

Excerpt:

Chapter I General Provisions

Article 1.0.1 In order to ensure that urban road lighting can create a good viewing environment for vehicle drivers and pedestrians, and achieve the effects of ensuring traffic safety, improving transportation efficiency, facilitating people's lives, preventing criminal activities and beautifying the urban environment, This standard.

Article 1.0.2 This standard applies to the road design of new, expanded and rebuilt roads and special places associated with roads. It is not applicable to the design of tunnel lighting.

Article 1.0.3 The design principle of road lighting is safe and reliable, advanced technology, economical and reasonable, energy saving and convenient maintenance.

Article 1.0.4 In addition to the implementation of this standard, road lighting design shall comply with the relevant national or industry standards or norms.

Chapter II Lighting Standards

Article 2.0.1 Urban road lighting standards are divided into five levels according to express roads, trunk roads, secondary trunk roads, branch roads and residential roads.

Article 2.0.2 Lighting of the expressway, trunk road, secondary trunk road and branch road shall meet the average brightness (or illumination), brightness (or illumination)

Four evaluation indicators of uniformity, glare limitation and inducibility. The roads in residential areas mainly for non-motor vehicles and pedestrians should meet the single evaluation indicators of average illumination.

Clause 2.0.3 The road lighting standards at all levels are shown in Table 2.0.3.



Note: 1. The average illuminance listed in the table is only applicable to asphalt pavement. If it is cement concrete pavement, the average illuminance value can be reduced by 20-30%.

2. The values ​​in the table are only applicable to dry roads.

Article 2.0.4 The average illuminance value of the non-motor vehicle lanes of the three roads and the four roads is preferably 1/2 of the adjacent motor vehicle lanes.

The average brightness (or illuminance) value specified in Articles 2.0.5 and 2.0.4 of the Article 2.0.5 is the maintenance value. For the newly installed light source and the road of the luminaire, the initial brightness (or illuminance) value of the road surface shall be corresponding. Increase by 30 to 50%.

When selecting the road lighting standard in Article 2.0.6, the nature and scale of the city should be considered. Generally, small and medium-sized cities can adopt the corresponding lower level 1 standard depending on their road type.



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