Starlight Road LED Variable Speed Limit Sign: Injecting Dynamic Management into Smart Transportation

In the management of national highways and expressways, flexible speed regulation has become key to enhancing traffic efficiency and safety. Starlight Road's LED Variable Speed Limit Sign offers a modern solution for dynamic speed management in road networks, combining intelligent control, high-brightness display, and durable performance.

The sign features a square housing with LED light sources for both the outer ring and central numeric characters—red for the ring and yellow for the numbers. Its core advantage lies in modular intelligent design, allowing customizable speed limits and supporting both local operation and remote platform control. Managers can dynamically update speed limits based on real-time traffic flow and weather, enabling precise traffic flow guidance.

The product sets industry-leading standards: with brightness ≥12,000cd and automatic/manual ambient light adjustment for energy efficiency, it ensures visibility over 300 meters even in strong light or fog. Equipped with imported ultra-bright chips, double-sided potted modules, Taiwanese Mean Well power supplies, and Jennet fans, it guarantees 80,000+ hours of lifespan with low light decay. The housing, made of high-quality cold-rolled steel with a spray-painted finish, features a double-layer maintenance door for heat dissipation and anti-glare effects, achieving IP65 protection and stable operation in -30℃~+70℃ environments.

Ideal for accident-prone expressway sections, tunnel entrances, curves, and national highway speed change nodes, the sign adapts to diverse scenarios. For example, in rainy or foggy conditions, remote control can reduce the speed limit from 120km/h to 80km/h to mitigate risks; at expressway service area entrances, dynamic speed limits guide safe vehicle diversion. Currently deployed in the Guangdong-Hong Kong-Macao Greater Bay Area expressway network and Sichuan-Tibet Highway, it has reduced average speed fluctuations by 25% and significantly lowered traffic accident rates, providing tangible technical support for smart transportation development.

About Shenzhen Starlight Road Technology Co., Ltd.:
Established in 2011, Shenzhen Starlight Road Technology Co., Ltd. is a national high-tech enterprise specializing in the R&D, production, and sales of intelligent traffic products. With 15 years of dedication and relentless effort, the company has accumulated extensive experience. Its main products include:

• Intersection Smart Networked traffic Signal Controller with English operation interface
• Single-Point Intersection Traffic Signal Controller
• LED Traffic Signal Lights
• LED Countdown Timer
• Smart Crosswalk Alert Beacon
• Integrated Traffic Signal Lights
• Sectional Pedestrian Crossing Request System
• Voice Prompt Device (Blind Clock)
• Mobile radar speed check sign
• Solar-powered radar speed feedback sign
• Solar-powered radar speed sign with vehicle license plate recognition
• Portable solar-powered traffic signal light
• Solar-powered warning traffic signal light
• Smart zebra crossing Road-embedded cast iron road stud
• LED Smart crosswalk Road-embedded cast iron Block
• Smart zebra crossing pavement-embedded pedestrian signal light
• LED Canopy Warning Signal Light
• LED Traffic Guidance Display Screen
• Smart Curve Safety Detection System

In addition, the LED traffic signal lights of Starlight Road have been exported to many overseas countries and regions. For example: Traffic signal lights in Cancun, Mexico; Solar-powered traffic signal lights in Guanajuato, Mexico; Traffic signal lights in Bangkok, Thailand; Solar-powered traffic signal lights in Chiang Mai, Thailand; Traffic signal lights in Riyadh, Saudi Arabia; Traffic warning lights in Kuala Lumpur, Malaysia; Traffic warning lights in Penang, Malaysia; Traffic signal lights in Vietnam; Traffic signal lights in Indonesia; Traffic signal lights in Cambodia; Traffic signal lights in the Philippines; Traffic signal lights in Laos; Traffic signal lights in Myanmar; Traffic signal lights in Brunei; Traffic signal lights in Turkmenabat, Turkmenistan; Traffic signal lights in Dashoguz, Turkmenistan; Traffic signal lights in Mary, Turkmenistan; Solar-powered traffic signal lights in Salto, Uruguay; Traffic signal lights in Fray Bentos, Uruguay; Traffic warning lights in São Paulo, Brazil; Traffic warning lights in Rio de Janeiro, Brazil; Traffic warning lights in Brasília, Brazil; Traffic signal lights in Salvador, Brazil; Traffic signal lights in Fortaleza, Brazil; Traffic signal lights in Dili, Timor-Leste; Traffic signal lights in Baucau, Timor-Leste; Traffic signal lights in Maliana, Timor-Leste; Traffic signal lights in Suai, Timor-Leste; Traffic signal lights in Madrid, Spain; Traffic signal lights in Barcelona, Spain; Traffic signal lights in Seville, Spain; Traffic signal lights in Málaga, Spain; Traffic signal lights in Alicante, Spain; Traffic signal lights in Ronda, Spain; Traffic signal lights in Doha, Qatar; Solar-powered traffic signal lights in Al Khor, Qatar; Traffic signal lights in Dhoby Ghaut, Singapore; Warning lights in Tampines, Singapore; Warning lights in Woodlands, Singapore; Warning lights in The Shoppes at Marina Bay Sands, Singapore; Traffic signal lights in Al Ahmadi, Kuwait; Traffic signal lights in Bandar Seri Begawan, Brunei; Traffic signal lights in Belait, Brunei; Traffic warning lights in Tel Aviv, Israel; Traffic warning lights in Haifa, Israel; Traffic warning lights in Manama, Bahrain; Solar-powered traffic signal lights in Muharraq, Bahrain; Solar-powered traffic signal lights in Dubai, the United Arab Emirates; Traffic signal lights in Abu Dhabi, the United Arab Emirates; Traffic signal lights in Ajman, the United Arab Emirates; Traffic signal lights in Johannesburg, South Africa; Traffic signal lights in Cape Town, South Africa; Traffic signal lights in Baghdad, Iraq; Traffic signal lights in Basra, Iraq; Traffic signal lights in Mosul, Iraq.

For more information on intelligent traffic solutions, please visit the Starlight Road ITS official website: //www.starlightroadits.com/ or contact us via email.