🚲 Mobility

Central Urban Area Intelligent Traffic Management Application

In late September 2024, Chongqing's traffic police stood up a data-fusion system for the city's central urban core, pulling together roughly 1.5 billion records from 12 municipal departments and 60 data categories to run automated signal retiming, 11 roadside display screens and targeted patrol dispatch across 17 roads and 51 intersections. Police reported that during the 2024 National Day holiday the evening rush-hour peak ended nearly 50 minutes earlier than the year before, coinciding with the city's first holiday week without a major long-duration jam or an expressway fatality; within the system's first two months it also flagged 1,000+ unlicensed-driving cases through cross-referenced data rather than roadside stops. All figures are police-reported; no independent traffic study was found.

Live 📅 since 2024

🤖 AI-generated summary of the sources below — how this works · 🔎 Last verified 2026-08-02

🚲 Mobility Traffic management Sensors & IoT Artificial intelligence

📊 Impact

17 roads / 51 intersections in the central urban core; ~1.5 billion records fused from 12 departments and 60 data categories; evening rush-hour peak ended ~50 minutes earlier during the 2024 National Day holiday versus the prior year, with zero major long-duration jams and zero expressway fatalities that week; 1,000+ unlicensed-driving cases flagged in the system's first two months (all police-reported).

🎓 Lesson

A traffic 'brain' built from 1.5 billion fused records still only reaches 51 intersections — data integration scaled faster than physical rollout.

Evidence🏛️ Official

Scale🏘️ District

📖 Terms in this entry: Adaptive traffic signals · ANPR (automatic number-plate recognition) · Congestion pricing

Sources

↗ Chongqing Municipal Government — Chongqing's smart traffic control has a 'super brain' behind itLaunch date (late Sept 2024), 17 roads/51 intersections, 1.5bn records/12 departments/60 categories, National Day results, 1,000+ violations in two months.

This overview was generated with AI from the public sources listed above and checked against them before publication. It has not had a complete human fact-check — treat it as a starting point and follow the sources.

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Compare this project

🇨🇳 Liangjiang New Area National Connected-Vehicle Pilot Zone · Chongqing Same city, opposite approach: V2X wires roadside sensors, while the traffic brain fuses 1.5bn records to retime signals. 🇨🇳 'Open Doors, Fix Congestion' — Chengdu traffic police's AI signal and drone campaign · Chengdu Peer AI traffic campaign one province over: Chengdu's signals also read live video feeds, and its results are police-reported too. 🇮🇳 Adaptive Traffic Signal Control (ATCS/CoSiCoSt) · Hyderabad Contrast in scale: Chongqing's brain claims 1.5bn fused records citywide; Hyderabad's adaptive signals cover select junctions.

Explore the wider context

🚦 Asphalt or algorithms 🚦 Traffic management guide 🏙️ Chongqing city profile 🚲 Mobility projects

📎 Cite this project

1001 Smart Cities (2026). “Central Urban Area Intelligent Traffic Management Application” — Chongqing, China. The Smart City Atlas. https://1001smartcities.org/projects/chongqing-central-urban-traffic-brain/ (last verified 2026-08-02). Data: CC BY 4.0.

The underlying data is free to reuse with attribution — see the open data page.

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