Data.

Rotterdam was always going to flood. The question, when the city sat down with its national government and its harbour authority in the late 1990s, was not whether to defend against the next flood but how to design a …

After thirty years of compounding success, the Dutch capital's bicycle infrastructure is at capacity. The city's response is unfashionable: redesigning bike paths for *less* throughput, more pause, more conf…

From Lausanne to Lyon, four cities have lifted Zurich's whole-life-cost tender template. We tracked the document's spread, talked to the procurers who adopted it, and asked the original author if he expected…

Copenhagen publishes a cycling-policy document that other European cities tend to treat as a curiosity rather than an instrument. The Cykelregnskab, the city's biennial Cycle Account, is the only such report in the wo…

After ten years of polite refusal, Transport for London has released a complete real-time API for buses, tubes, cycle hire and dock-bike use. We talked to the engineers who pushed it through, and to the small-team app…

Hungary's capital has built a sensor grid of 2.400 air-temperature probes across its districts. The maps it produces are uncomfortable reading. They are also being used — for the first time — to set school-closur…