Map transit systems on transportation networks using GTFS Data and Infomap
summary
Reads GTFS static feeds and builds directed graphs with NetworkX MultiDiGraph, weighting edges by number of trips or mean travel time, then exports Source-Target-Weight files to Infomap for flow-based community detection. Demonstrations use German Intercity and Venice transit feeds, produce multilevel clusters that highlight hubs like Frankfurt Main/Airport and Venice railway plus small isolated islands, and surface data issues (times past midnight, inconsistent ID types). Tooling: Python, gtfs-kit or CSV parsing, Infomap C backend with a web visualizer.
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chapters (18)
- 0:00Introduction
- 0:26About me
- 0:45Title
- 1:06Map
- 1:35Simple
- 2:18GTFS Data
- 4:19Structure
- 4:58Packages
- 7:27Availability
- 7:52Pricing
- 8:48Italy
- 9:38Infomap
- 10:35Finding information
- 11:47Reading GTFS
- 12:27Model directed service networks
- 13:21Infomap demo
- 18:57Conclusions
- 19:52QA
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