Jakarta measures itself carefully and acts on the measurements late. Its smart-city unit dates from 2014 and its open data portal from 2015; every refuse truck entering the city's landfill has been weighed and GPS-tracked for a decade; cameras have issued traffic fines since 2018 and a public portal has carried air readings since a court ordered it. What repeatedly forces change here is not a sensor but a legal instrument — a citizens' lawsuit, a governor's regulation, a ministerial order. The entries below include a monitoring network built on a court judgment, a groundwater ban with metered compliance, and a camera system whose fines almost nobody confirmed.
The atlas documents 11 projects in Jakarta, the earliest dating to 2004: 11 still running without a verdict. Every entry carries an evidence grade — the strongest here is peer-reviewed (3 entries) — and links its sources.
Three entries that show what Jakarta is actually doing.
Computed from the 11 entries below — a profile, not a score.
Jakarta built the buses before it built the data. TransJakarta opened its first bus rapid transit corridor in January 2004 and grew into what ITDP calls the world's longest BRT, carrying about 1.4 million passengers a day at a flat fare of 3,500 rupiah that has not moved in two decades. From 2018 the same operator absorbed the informal angkot minibuses into a feeder service paid roughly 5,000 to 6,000 rupiah per kilometre driven rather than per passenger, which removed the incentive to race for fares and shifted quality control onto the city.
The instrumentation arrived in the middle of the 2010s and mostly counted things. Networked weighbridges went in at the Bantargebang landfill in 2015, with GPS on the collection fleet flagging trucks up to 10 km before the gate. The city opened data.jakarta.go.id on 30 June 2015 with about 400 datasets, though only fifteen agencies were filing consistently. In 2016 the three-in-one carpool rule collapsed under a trade in paid stand-in passengers and was replaced by odd-even plate rationing; from November 2018 cameras began issuing traffic fines by post.
Then came the decade's real forcing functions, and none of them were technical. Thirty-two residents sued the president, three ministers and three governors in 2019 over the city's air; the Central Jakarta District Court found all seven had acted unlawfully in September 2021 and the Supreme Court made it final in November 2023. A governor's regulation signed in 2021 and commenced in August 2023 barred large buildings in designated zones from pumping groundwater and required calibrated meters reporting into the water agency's system. A presidential regulation of 2019 folded the data catalogue into a national standard with a named accountable office.
By the mid-2020s the gaps were visible in the city's own numbers. The traffic director said in January 2025 that 0.01 percent of camera-detected violations were ever confirmed, the postage budget covering about 800 notices a day against roughly 12,000 violations. Data matching stripped 105,225 pupils of their school allowance cards in late 2024, and councillors had all of them reinstated within weeks. A waste slope at Bantargebang collapsed on 8 March 2026 and killed seven people, after a decade of weighing every truck that fed it.
On a time axis, by the year each one started — 2004 to 2021. Pick a dot to read what it was.
✔ Every published entry is checked against the public sources it cites before publication.
Editorial links between Jakarta's own entries — the city as a system, not a list.
Plans and announced trajectories — not yet documented results.
The pattern to watch in Jakarta is the distance between measuring and acting. Electronic road pricing has been promised since the 2000s, tendered, litigated to the Supreme Court and still has not opened a gantry; the governor said in May 2025 that it was not certain it ever would. The air-quality judgment is final and, the plaintiffs told the environment ministry in June 2025, still unimplemented in its central order. From August 2026 only half of Jakarta's residual waste may go to Bantargebang, which forces the question the weighbridges never did. The metro's second phase, once due in 2025, now targets Monas in 2027 and Kota in 2029. And the country is hedging on the city itself: Indonesia is building a new capital at Nusantara, though a Constitutional Court ruling in May 2026 confirmed Jakarta was still the legal one.
Where Jakarta appears in the atlas's own analysis.
Three cities the atlas reads next to Jakarta — the reason first, then the entries it rests on. Chosen by hand from the Jakarta threads below, not counted out of them.
Two megacities that instrumented everything and then split on the only question that matters: in Delhi a bad air reading pulls a legal trigger, in Jakarta it pulls nothing. Both also count cameras rather than what the cameras achieve.
Two capitals whose cameras and portals run far ahead of the authority behind them: each detects vastly more violations than it ever collects on, and each publishes open data that carries no open licence.
Both put money on a card that can only be spent where the city says, both warn about the same floods — Jakarta through loudspeakers on poles, Busan through a portal — and their metros split on whether anyone stays in the cab.
Every editorial link from Jakarta'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 Jakarta, Indonesia.” The Smart City Atlas. https://1001smartcities.org/cities/jakarta/ (last verified 2026-07-26). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.