Open Source
2 articles
How to Validate GTFS Feeds Before Routing Breaks
A Python workflow for catching the transit data problems that structural checks miss. Six validation layers from download fallbacks to multi-agency sanity checks.
Transit Travel Time Matrix in Python (Free, No API Keys)
Compute transit travel-time matrices in Python with r5py, using free GTFS and OpenStreetMap data. No API keys, fully worked example.