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Peer-reviewed smart-city projects

90 of 1167 published projects — 7.7% — whose core claims rest on an independent academic or peer-reviewed study.

The strongest source behind this entry is an independent peer-reviewed or academic study.

This is the smallest set in the atlas and the most useful one: the only entries where somebody outside the delivering organisation applied a method, published it, and let others check it. It is also the least representative. These entries skew old, long-running and still alive, and only 13.3% of them are recorded as failed or scaled back — well below the rate among independently audited projects. Read that as a statement about which projects attract researchers, not about which projects work. Nobody writes a paper about a pilot that ended quietly in its second year.

Membership here is decided by the data, not by an editor: this page lists every published entry whose evidence grade is the one named above, so nothing can be quietly left out. The grade records the strongest kind of source behind an entry — not how well the project worked.

✔ Every published entry is checked against the public sources it cites before publication.

All 90 entries

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🇨🇴 Bogotá RMCAB Air Quality Network & IBOCA Alert Phases since 1997 · Ongoing 🇨🇴 Bogotá TransMiCable: the cable car that got a control group since 2018 · Succeeded 🇨🇴 Bogotá TransMilenio: Bogotá's BRT Trunk Network & Its Late Control Layer since 2000 · Ongoing 🇺🇸 Boston BOS:311 and Boston's Service-Request Record since 2009 · Ongoing 🇺🇸 Boston Vision Zero Boston: 25 mph default limit and open crash records since 2015 · Ongoing 🇬🇧 Bristol Damp Busters: Citizen-Built Damp Sensors 2016 · Scaled back 🇦🇷 Buenos Aires BA Elige: Buenos Aires's Online Participatory Budget 2017–2019 · Scaled back 🇦🇷 Buenos Aires Buenos Aires's Registered Recuperadores Urbanos & Green Centres since 2002 · Ongoing 🇿🇦 Cape Town Day Zero: Cape Town's Drought Demand Management 2015–2020 · Succeeded 🇵🇭 Cauayan City Smarter Dengue Early Warning System since 2021 · Ongoing 🇺🇸 Chicago CTA Bus Tracker, Train Tracker & the Developer Feeds since 2006 · Ongoing 🇺🇸 Columbus Smart Columbus Operating System (Open Data Platform) 2018–2021 · Failed 🇧🇩 Dhaka Prepaid Electricity Metering by DPDC and DESCO since 2005 · Ongoing 🇳🇱 Eindhoven Eindhoven's Data Code and Sensor Register since 2015 · Scaled back 🇳🇱 Eindhoven Stratumseind Living Lab — Adaptive Nightlife Lighting since 2014 · Scaled back 🇨🇭 Geneva SITG Open Territorial Data Platform since 1991 · Ongoing 🇨🇳 Guangzhou Passenger Vehicle Quota Lottery & Auction since 2012 · Ongoing 🇨🇳 Hangzhou Health Code (健康码) — Hangzhou's Pandemic Status QR 2020–2022 · Succeeded 🇮🇩 Jakarta Ganjil-Genap: Jakarta's Odd-Even Plate Rationing since 2016 · Ongoing 🇮🇩 Jakarta Jakarta MRT North-South Line Phase 1 since 2019 · Ongoing 🇮🇩 Jakarta Jakarta Smart City since 2014 · Ongoing 🇺🇬 Kampala AirQo Low-Cost Air Quality Sensor Network since 2015 · Ongoing 🇺🇸 Kansas City ShotSpotter Under a Federally Funded Evaluation since 2012 · Ongoing 🇷🇼 Kigali Kigali's Air Quality Monitoring Network since 2021 · Ongoing 🇲🇼 Lilongwe E-Madzi Automated Water Kiosks since 2019 · Ongoing 🇵🇹 Lisbon Lisbon's Environmental Parameters Sensor Network since 2021 · Ongoing 🇬🇧 London Low Traffic Neighbourhoods (LTNs) since 2020 · Ongoing 🇬🇧 London Ultra Low Emission Zone (ULEZ) since 2019 · Succeeded 🇺🇸 Los Angeles Cool Pavement Programme since 2017 · Succeeded 🇺🇸 Los Angeles Operation LASER & PredPol — Predictive Policing 2011–2020 · Failed 🇺🇸 Los Angeles ShakeAlertLA — the City's Earthquake Warning App 2018–2020 · Scaled back 🇫🇷 Lyon Lyon Confluence since 2011 · Succeeded 🇪🇸 Madrid Decide Madrid since 2015 · Scaled back 🇪🇸 Madrid Madrid Central / Madrid 360 Low-Emission Zone since 2018 · Ongoing 🇵🇭 Manila Pasig River: Court-Ordered Water Quality Monitoring since 2008 · Ongoing 🇨🇴 Medellín Metrocable & Social Urbanism since 2004 · Succeeded 🇨🇴 Medellín SIES-M Integrated Emergency & Security Camera Network since 2011 · Ongoing 🇦🇺 Melbourne Shared E-Scooter Trial and Council Ban 2022–2024 · Failed 🇲🇽 Mexico City C5 Camera, Panic-Button and Seismic-Alert Network since 2009 · Ongoing 🇲🇽 Mexico City Hoy No Circula: Mexico City's Plate-Based Driving Restriction since 1989 · Ongoing 🇲🇽 Mexico City Metrobus: Mexico City's BRT Network and Its Open Real-Time Feed since 2005 · Ongoing 🇲🇽 Mexico City Mexico City Water Network Sectorisation and Telemetry since 2019 · Ongoing 🇲🇽 Mexico City SIMAT Air Monitoring and the Valley of Mexico Contingency Programme since 1986 · Ongoing 🇷🇺 Moscow Remote Electronic Voting (DEG) since 2019 · Ongoing 🇰🇪 Nairobi Digital Matatus Open Mapping Framework since 2012 · Succeeded 🇰🇪 Nairobi Water ATMs: Prepaid Dispensers in Nairobi's Informal Settlements since 2015 · Scaled back 🇺🇸 New York City FloodNet street-level flood sensors since 2020 · Ongoing 🇺🇸 New York City Local Law 144: Bias Audits for Hiring Algorithms since 2021 · Ongoing 🇳🇪 Niamey CityTaps Prepaid Smart Water Meters since 2016 · Failed 🇳🇴 Oslo Real-Time Air Quality Monitoring and Oslo's Once-Fired Diesel Ban since 2016 · Ongoing 🇺🇸 Philadelphia Philly Streetlight Improvement Project (Citywide LED + Lighting Management System) since 2023 · Succeeded 🇺🇸 Philadelphia Roosevelt Boulevard Automated Speed Enforcement since 2020 · Succeeded 🇧🇷 Porto Alegre Orçamento Participativo — the Origin of Participatory Budgeting since 1989 · Scaled back 🇧🇷 Rio de Janeiro Alerta Rio: rain gauges, thresholds & favela sirens since 1996 · Ongoing 🇨🇱 Santiago Restriccion Vehicular: Santiago's Vintage-Tiered Plate Rationing since 1992 · Ongoing 🇰🇷 Seoul S-DoT — Smart Seoul Data of Things Sensor Network since 2019 · Ongoing 🇰🇷 Seoul Weight-Based Food Waste Fee (RFID Smart Bins) since 2013 · Succeeded 🇨🇳 Shanghai One Network Unified Management (city operations digital twin) since 2019 · Ongoing 🇨🇳 Shanghai Shanghai Mandatory Household Waste Sorting since 2019 · Ongoing 🇸🇬 Singapore Electronic Road Pricing (ERP) Network since 1998 · Succeeded 🇸🇬 Singapore National Steps Challenge & HealthHub Digital Health since 2015 · Ongoing 🇸🇪 Stockholm Stockholm Congestion Charging Zone since 2006 · Succeeded 🇩🇪 Stuttgart luftdaten.info / Sensor.Community citizen air sensors since 2015 · Ongoing 🇮🇩 Surabaya e-Health Surabaya — Online Queueing for Public Clinics since 2014 · Ongoing 🇮🇩 Surabaya Government Resource Management System (GRMS) — Integrated Budget & Procurement since 2004 · Ongoing 🇮🇩 Surabaya Surabaya Intelligent Transport System (SITS) — Adaptive Traffic Control since 2010 · Ongoing 🇮🇳 Surat Particulate Emissions Trading Scheme since 2019 · Succeeded 🇪🇪 Tallinn Free Public Transport for Registered Residents since 2013 · Ongoing 🇪🇪 Tartu Kaasav Eelarve — Estonia's First Participatory Budget since 2013 · Ongoing 🇪🇪 Tartu Tartu Smart Bike Share: Bike Share Run as Public Transport since 2019 · Ongoing 🇮🇷 Tehran Tehran Air Quality Monitoring Network & Pollution Emergency Closures Ongoing 🇨🇦 Toronto Toronto Automated Speed Enforcement (abolished by the province) 2020–2025 · Succeeded 🇨🇦 Toronto Toronto Hydro Smart Meters and Ontario's Time-of-Use Pricing since 2004 · Ongoing 🇬🇷 Trikala Driverless Shuttle Pilots in Open Traffic since 2015 · Ongoing 🇺🇸 Washington D.C. Automated Traffic Enforcement Cameras and the Collection Gap since 1999 · Ongoing

The rest of the record

Each of these is the same kind of page — a slice of the atlas whose membership is decided by a field rather than by an editor.

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