URBAN
Austin Bought 21 Trams. The Real Order Was a Dependency Graph.
Stadler wins Austin's 21-vehicle CITYLINK contract. Why the fleet count is a headway constraint, the catenary is the permanent layer, and how to run the sag maths.
Zurich HB Handles 460,000 People a Day. Its Masterplan Is a Dependency Graph.
Masterplan HB / Central 2050 sizes 135,000 sqm against 460,000 weekday users. Read it as systems engineering — and find your own project's choke point.
Zurich's City Twin: Reading Heat and Density in the GIS Before a Building Moves
Zurich's open GIS layers plus live simulation form a city digital twin that reads heat, traffic and density before a building moves — with a PostGIS join to try.
Zoning as Code: When a Masterplan Recomputes Its Own Envelopes
How parametric urbanism turns setbacks, FAR and sunlight into executable rules — a masterplan that recomputes its own envelopes and street life.