Curitiba, long famous for inventing bus rapid transit, kept its edge by wiring the fleet rather than replacing it. From around 2012 its RIT buses — already using contactless smart cards since 2002 — gained 3G telemetry tracking routes, speeds and stop times live from a central control room, across some 2.26 million rides on a working day.
The atlas documents 12 projects in Curitiba, the earliest dating to 2012: 12 still running without a verdict. Every entry carries an evidence grade — the strongest here is independent (1 entry) — and links its sources.
Three entries that show what Curitiba is actually doing.
Computed from the 12 entries below — a profile, not a score.
Curitiba's reputation as a transit pioneer predates any of this — its bus rapid transit network and contactless fare cards go back to the 1970s and 2002. What changed from 2012 was that the transit operator URBS began wiring the fleet itself, streaming routes, speeds and stop times from roughly 2,500 buses into a central control room via 3G telemetry. The rest of the decade added citizen-facing digital channels onto existing physical services rather than replacing them: an appointment-booking system arrived in 2018 to manage queues at the city's Rua da Cidadania service centers, a smartphone app version of the decades-old 156 citizen hotline followed in 2019, and paper parking cards gave way to app-based payment in 2020. The same year Setran, the city's separate traffic authority, hit a quieter milestone of its own: 85% of Curitiba's signalized intersections wired into a shared control room for remote fault repair, part of what became the adaptive signal network.
By 2022, the planning institute IPPUC had replaced its static maps with GeoCuritiba, a live cadastral GIS built on a laser-scanned 3D city model. The following year brought a run of new sensor-equipped systems rather than upgrades to old ones: a GPS-tracked docked bike-share network launched under sponsor branding, the water utility Sanepar began an AI-monitored pressure-sensor pilot that cut leak-investigation time in two neighborhoods from as long as 180 days to about three, and a private concessionaire took over the city's roughly 157,000 streetlights under a 23-year contract promising a remote-monitoring layer alongside the LED retrofit.
The most recent chapter is about stitching these separate systems together rather than building new ones. In February 2024, IPPUC opened the Hipervisor Urbano, an operations hub pulling live feeds from the city's camera network, the 156 line, traffic control, civil defense and the utilities into shared dashboards — though a year in, its promised AI layer was still just a pilot. The city's open-data portal was relaunched that December. And in 2025, Sanepar extended the sensor logic from individual neighborhoods to the wider water system, contracting an AI digital-twin platform for the pumping stations that supply Curitiba and its metro region, while Setran began layering AI-adaptive timing onto specific intersections atop its decade-old connectivity backbone.
On a time axis, by the year each one started — 2012 to 2025. Pick a dot to read what it was.
✔ Every published entry is checked against the public sources it cites before publication.
Editorial links between Curitiba's own entries — the city as a system, not a list.
Plans and announced trajectories — not yet documented results.
What's next is less about new systems than whether the ones just built work as promised. The lighting concession is running behind its original LED-conversion schedule and changed ownership in 2026; the Hipervisor Urbano's AI ambitions remain mostly a stated plan rather than a working capability a year after launch; and the open-data portal, like several peers in this atlas, still carries no formal reuse license. Curitiba's own reporting is candid about these gaps — a rarer trait in this atlas than the sensor layer itself.
Where Curitiba appears in the atlas's own analysis.
One city the atlas reads next to Curitiba — the reason first, then the entries it rests on. Chosen by hand from the Curitiba threads below, not counted out of them.
Two Brazilian capitals whose systems are citywide in name and partial on the ground: adaptive signalling reaches a fraction of the junctions, and the same leak problem gets a district pilot in one city and a sectorised network in the other.
Every editorial link from Curitiba's entries into another city, strongest first. Each one is a statement about two projects, not about two cities — the three above are the ones the atlas is willing to make at city level.
1001 Smart Cities (2026). “Smart-city projects in Curitiba, Brazil.” The Smart City Atlas. https://1001smartcities.org/cities/curitiba/ (last verified 2026-08-05). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.