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Tunnel 

Effective tunnel lighting plays a critical role in enhancing vehicle safety within tunnels. In contrast, inadequate lighting can significantly impair the driver's visibility, potentially leading to safety risks. Hence, the question arises: What criteria sggkgjgkhould be considered when selecting optimal LED tunnel lights to ensure tunnel safety?

Our strengths

What Rayborn Can Do

RAYBORN excels in providing cost-effective and environmentally friendly LED solutions for tunnel lighting, ensuring efficient and seamless transitions.

  • Cost-Efficient Simulations

    RAYBORN offers free simulations for tunnel lighting, saving on labor costs.

  • Environmentally Friendly LED Technology

    RAYBORN's LED solutions are eco-friendly, replacing traditional lamps with energy-efficient and environmentally safe options.

  • Efficient Transition

    RAYBORN ensures a smooth shift from traditional lighting to LED, enhancing visibility and minimizing environmental impact.

  • High Quality LED Lights

    Our LED lights are manufactured using quality materials and adhere to strict quality control measures. This ensures that our lights are reliable, durable, and provide long-lasting performance in industrial settings.

  • High Quality LED Lights

    Our LED lights are manufactured using quality materials and adhere to strict quality control measures. This ensures that our lights are reliable, durable, and provide long-lasting performance in industrial settings.

introduction

About Tunnel Light

Designing tunnel lighting takes into account a myriad of factors, including the tunnel's length, alignment, internal structure, road surface characteristics, the presence of walkways, the linking road's structure, design speed, traffic volume, and vehicle types. Moreover, it considers elements such as the light source's color, lamp selection, arrangement, illumination levels, external brightness, and human visual adaptability. Tunnel lighting design is a multifaceted process aimed at addressing this array of challenges.

In most tunnels and underpasses, natural sunlight cannot penetrate due to obstructing walls, resulting in low visibility. To rectify this, luminaires must be strategically installed to provide adequate brightness for both drivers and pedestrians. One of the primary hurdles faced by tunnel and underpass lighting systems is ensuring that drivers can perceive their surroundings consistently from entry to exit, be it day or night. Effective tunnel and underpass lighting necessitates maintaining uniform lighting levels throughout the structure to guarantee safe passage.



System

LED Tunnel Lighting System

The LED tunnel lighting system focuses on optimizing visibility and traffic flow through strategic design:

Lighting System

LED Tunnel Lighting System

  • The LED tunnel lighting system focuses on optimizing visibility and traffic flow through strategic design:

  • 01Entrance Area Illumination

    Enhance visibility at the tunnel entrance by matching exterior light levels and gradually decreasing illumination along the tunnel. Higher "dense" lighting at entrances mitigates the "black hole effect," ensuring smooth traffic flow.

  • 02Interior Tunnel Area Lighting

    Maintain consistent, lower lighting levels within the tunnel interior using strategically placed luminaires regulated by photocells. Adhere to design criteria, including brightness, uniformity, and glare control for safe passage.

  • 03Rearward Illumination

    Direct light towards drivers, avoiding glare, by installing lighting systems above the roadway. This cost-effective approach is ideal for entry areas, especially at higher speeds. Considerations include the coating on side walls, with a preference for light-colored paint in symmetrical lighting and a deeper, more specular coating for a pair of beam systems.

requirements

LED Tunnel Light

Design Requirement

Tunnel lighting design centers around "visual adaptation." During the day, enhanced lighting is crucial for smooth transitions during entry (light to dark) and exit (dark to light). At night, with enhanced lighting off, maintaining similar brightness inside and outside the tunnel suffices for optimal visibility.
Installation

Installation Precautions

  • Effective tunnel lighting is essential for road safety. This overview succinctly outlines crucial factors, including stroboscopic effects, glare reduction, luminous flux maintenance, environmental protection, and optimal control modes, ensuring optimal visibility and system longevity.

  • 01Strobe

    • Strobe frequency between 2.5Hz and 15Hz is acceptable.
    • Stroboscopic effects influenced by lighting fixture arrangement, vehicle speed, and optical characteristics.

  • 02Glare

    • Glare arises from high brightness or contrast, impacting visual function.
    • Tunnel lighting glare sources include oncoming headlights and high brightness at exits.
    • Compliance with international standards, such as a Relative Threshold Increment (TI) less than 15%.

  • 03Luminous Flux

    • Select high-quality, long-life LED chips and power supply for 24-hour operation.
    • Ensure excellent heat dissipation capacity, with lamps efficiency exceeding 130lm/w.

  • 04Protection Grade

    • Choose waterproof LED tunnel lights to prevent moisture-related electrical leakage.
    • Tunnel lamps should withstand high humidity conditions.

  • 05Control Mode

    • Opt for centralized control mode for ease of maintenance without hindering traffic.
    • Prioritize safety for maintenance personnel.

  • 06Lumen Maintenance

    • L70 (hours) should be greater than 55,000 under normal lighting conditions.
    • Highway tunnel LED luminous flux maintenance requirements:
      • 95% after 3000 hours.
      • 92% after 6000 hours.
      • 90% after 10,000 hours.

LED Tunnel Light Simulation  

Simulation

Simulation

 LED Advancements

Support

As a result of their high light efficiency and energy efficiency, traditional HID lamps in tunnels are being replaced by LED lighting. Moreover, damaged LED lights do not pose environmental hazards, aligning with the global trend toward environmental protection. RAYBORN offers customers free simulations for luminous efficiency and illuminance, thereby saving significant labor costs.


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