Data preparation tasks for routing

Overview

This repo contains code and files required for inputs into routing API. It contains code to:

1. extract and makes necessary adjustments to the WMATA GTFS data
2. extract and filter the US South OpenStreetMap regional data down to WMATA service area

Acknowledgements and attribution

Washington Metropolitan Area Transit Authority (WMATA), "Rail & Bus Combined GTFS Static", https://api.wmata.com/gtfs/rail-bus-gtfs-static.zip, Accessed on 2026-01-30.

Data (c) OpenStreetMap contributors, ODbL 1.0. https://www.openstreetmap.org/copyright.

Geofabrik GmbH. (2026). Data extracts from US Souce. Retrieved from https://download.geofabrik.de/north-america/us-south-latest.osm.pbf.

Gilardi A, Lovelace R (2025). osmextract: Download and Import Open Street Map Data Extracts. doi:10.32614/CRAN.package.osmextract https://doi.org/10.32614/CRAN.package.osmextract, R package version 0.5.3, https://CRAN.R-project.org/package=osmextract.

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