Show HN: Two-hour reverse transit isochrones for NYC/NJ in the browser

Category: other

Tags: isochrones, transit, wasm, gtfs, static-site

Score: 7.0/10 (Innovation: 7, Technical: 7, Documentation: 3, Utility: 7)

A static web app that computes reverse transit isochrones for NYC/NJ, showing where you can live and still reach a destination within up to two hours using many transit operators. It runs a WASM routing engine in a Web Worker with OSM and GTFS data, and synthesizes GTFS from PDF schedules for operators that lack it.

Target audience: commuters, urban planners, backend devs

Repository: https://commutable.nyc/

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