City in Motion
A city's buses, trains and bike-share stations moving and filling in real time.
Coming soon
This tool is being built. It will run right here, in your browser.
How it works
Method
Vehicle positions and station levels are polled from open transit feeds and animated between updates.
Data
Open GTFS-Realtime vehicle feeds and GBFS bike-share feeds published by transit agencies.
Model
Simple interpolation along routes between position updates.
Build
Map rendering in the browser, with a Cloudflare Worker that fetches and caches the feeds.