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| Bangkok |
Bangkok, one of Southeast Asia’s most vibrant and visited cities, has long been notorious for its heavy traffic and persistent air pollution. Now, in a bold move toward sustainability and smarter urban living, the Bangkok Metropolitan Administration (BMA) has teamed up with Google to launch the groundbreaking ‘Green Light’ project—an AI-powered initiative designed to ease traffic and reduce harmful emissions.
AI Takes the Wheel
Announced on May 26, the ‘Green Light’ project uses artificial intelligence and big data to optimise traffic light systems in real time. By analysing actual driving behaviour and traffic flow at intersections, the system adjusts signal timing dynamically, helping to reduce vehicle idling and stop-and-go congestion. Early results are promising: stoppage time has decreased by up to 30 percent at more than 50 intersections where the technology has been implemented.
Cleaner Commutes, Healthier Air
One of the most significant goals of the project is environmental improvement. With fewer cars idling at red lights, Bangkok expects to cut greenhouse gas emissions by around 10 percent. Reducing PM2.5 particulate matter—a major health risk in the capital—is another key benefit. The project’s adaptive systems directly address one of the biggest contributors to poor air quality: inefficient urban traffic flow.
Data-Driven Urban Planning
The initiative goes beyond traffic signals. Using GPS-based probe data and origin-destination analysis, the BMA is now able to track travel patterns and adjust traffic systems accordingly. Major intersections such as Ratchathewi, Rama 9, and Taksin Bridge are already being monitored as part of these ongoing trials. This integrated approach helps identify pressure points and enables smarter lane management in real time.
Public Involvement and Future Expansions
City officials are encouraging public participation through the Traffy Fondue platform, which allows residents to report traffic problems directly to the BMA. This feedback loop is critical to ensuring timely responses and further refining the system. It also signals a shift toward a more responsive and citizen-centric approach to urban development.
Overpasses on the Horizon
In parallel with the AI initiative, Bangkok’s Transport Ministry has announced plans to construct new overpasses across the capital and neighbouring provinces. These projects, in coordination with the Department of Highways, are aimed at easing pressure on key transport routes. The Bang Khun Tian–Ekkachai section of Highway No.35 is nearly complete, with a trial opening expected by the end of the year.
Shaping the Future of Urban Mobility
Bangkok’s partnership with Google reflects a growing trend in cities worldwide—using technology not only to manage congestion but also to shape a more liveable, sustainable urban future. As these projects unfold, the Thai capital is positioning itself as a regional leader in smart city development and green innovation.
Project and Tourism Information
Bangkok Metropolitan Administration (BMA): https://www.bangkok.go.th
Green Light Project: https://ai.google
Traffy Fondue Reporting Platform: https://traffy.in.th
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