Chennai Intelligent Transport System (AI-Adaptive Traffic Signals)
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Chennai is wiring 165 junctions for AI-adjusted traffic lights, but as of mid-2026 only a 17-junction pilot runs live and civil works at 104 of 165 junctions are done — the rest is still construction.
what does this mean?
The strongest source is the operator's or the city's own reporting — an official report, dataset or press release. It grades who did the looking — not how well the project went. All four grades →Part of 1001 Smart Cities — 1,167 documented projects · 🏙️ 7 more in Chennai · 🚦 Traffic management guide · 🚲 Mobility projects
Chennai's Intelligent Transport System equips 165 core-city junctions with camera-fed adaptive signal control, plus incident detection at 58 locations, variable message signs at 17 sites and red-light violation cameras at 50 junctions. It is built under a roughly ₹530-crore contract with Larsen & Toubro, signed 31 March 2023 with Japan International Cooperation Agency financing, and grew out of a 17-junction pilot running since January 2024. By March 2026, civil works for junction improvements were complete at only 104 of the 165 junctions, with the Greater Chennai Corporation targeting full operation in August 2026 — meaning most of the network was still under construction, not yet adjusting signals live, as of that date.
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1001 Smart Cities (2026). “Chennai Intelligent Transport System (AI-Adaptive Traffic Signals)” — Chennai, India. The Smart City Atlas. https://1001smartcities.org/projects/chennai-its-adaptive-signals/ (last verified 2026-08-02). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.