How to Choose the Best Beam Angles for Different street light?

Street lighting plays a crucial role in ensuring safety and visibility on our roads. One important aspect of street lighting is the beam angle, which refers to the spread of light emitted by the fixture. Unlike other lighting fixtures that use standard angles, street lighting beam angles are represented by Type I to VI classifications.

Why Type I to VI Classification?

The classification of street lighting beam angles into Type I to VI is a standardized system that helps professionals and municipalities make informed decisions when selecting lighting fixtures. This system takes into account various factors such as road type, mounting height, road width, and surrounding environment to ensure optimal lighting performance and minimize light pollution.

Choosing the Right Beam Angle:

  1. Road Type:

– Residential streets and footpaths: Type I lighting with a narrow beam angle is suitable for localized lighting and minimal spillage.

– Collector roads and parking lots: Type II lighting provides a balance between spread and distance, making it ideal for moderately trafficked areas.

– Major roads and intersections: Type III lighting offers a wider beam angle for increased visibility at higher speeds.

– Arterial roads and expressways: Type IV lighting ensures uniform illumination across a broad area.

– High-speed roadways and freeways: Type V lighting provides long-distance visibility and consistent lighting for drivers.

  1. Mounting Height:

– Lower mounting heights require wider beam angles to cover a larger area.

– Higher mounting heights require narrower beam angles to prevent excessive spill lighting and glare.

  1. Road Width:

– Narrow roads need a narrower beam angle to prevent light pollution and focus illumination on the required area.

– Wider roads demand wider beam angles to provide sufficient coverage and improve visibility.

  1. Surrounding Environment:

– Urban areas with high ambient light may require narrower beam angles to minimize light pollution.

– Rural areas or locations with low ambient light may benefit from wider beam angles to enhance visibility.

Application of Different Beam Angles:

  1. Type I: Suited for residential streets, footpaths, or bike lanes, where lighting needs to be localized and spillage minimized.
  2. Type II: Suitable for moderately trafficked collector roads, parking lots, and low-speed urban streets, providing a good balance between spread and distance.
  3. Type III: Ideal for major roads, highways, and intersections, offering a wider beam angle for increased visibility at higher speeds.
  4. Type IV: Suitable for large arterial roads, expressways, and areas with multiple lanes, ensuring uniform illumination across a broad area.
  5. Type V: Required for high-speed roadways, motorways, or freeways, providing long-distance visibility and consistent lighting for drivers.

Understanding the different beam angles associated with street lighting is essential for ensuring effective and efficient illumination on our roads. The Type I to V classification system allows professionals to choose the most suitable lighting pattern based on road type, mounting height, width, and the surrounding environment. By selecting the appropriate beam angle, we can enhance safety, visibility, and reduce light pollution, benefiting both the road users and the environment.

For more information, please contact us.

Website:www.aikolux.com

Email: info@aikoled.com

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