AboutDesign transit.
Design transit.
See it move.
TransitFlow is a browser-based tool for exploring the GO Transit network, drawing your own routes, and simulating how they'd run — no planning software required.
See the network
Browse all GO Transit train and bus routes on a live interactive map with real GTFS data.
Design a route
Create a new bus or train route from scratch — draw the path, add stops, set the schedule.
Simulate it
Run a time-of-day simulation and watch vehicles move along the network in real time.
Share & browse
Post your network designs to the community and load others' ideas directly into your map.
What you can do
- Browse all GO train & bus routes on a live map
- Create routes from scratch or extend existing GO lines
- Set custom schedules — frequency or fixed departure times
- Simulate vehicle movement at any time of day
- Share designs with the community and load theirs
- AI-assisted route suggestions and schedule optimisation
Why it exists
Transit planning tools are complicated and expensive. TransitFlow makes it easy to sketch, test, and share ideas — for students, enthusiasts, and curious commuters.
Ready to explore?
Open the map and start designing. No account required.