GTFS-Realtime Proxy
September 28, 2025 ยท View on GitHub
An API to retrieve GTFS-Realtime data, add CORS headers and cache responses. This makes GTFS-Realtime available directly to client-side code within a web browser.
Built with next.js.
Local setup
npm install
Configure the FETCH_URL to use your GTFS-Realtime URLs in app/vehiclespositions/route.ts, app/tripupdates/route.ts and app/alerts/route.ts,
Running Locally
npm run dev
Open the following URLs to see the result:
- http://localhost:3000/vehiclepositions
- http://localhost:3000/tripupdates
- http://localhost:3000/alerts
Running in production
npm run build
npm start