# CTA GTFS Schedule Feed

**Canonical:** https://apis.io/apis/chicago-transit-authority/gtfs-feed/  
**Provider:** Chicago Transit Authority — https://apis.io/providers/chicago-transit-authority/  
**Base URL:** https://www.transitchicago.com/downloads/sch_data/google_transit.zip  
**Documentation:** https://www.transitchicago.com/developers/gtfs/

CTA GTFS Schedule Feed is one of 11 APIs that [Chicago Transit Authority](https://apis.io/providers/chicago-transit-authority/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include GTFS, Schedule, Static, and Transit. The published artifact set on APIs.io includes API documentation.

CTA publishes a GTFS (General Transit Feed Specification) schedule feed covering the physical layout, stop locations, and static schedules for the entire CTA bus and L train system. The feed is a downloadable ZIP archive that conforms to the GTFS reference and is updated when CTA service changes.

## Machine-readable artifacts (5)

- **Documentation** — https://www.transitchicago.com/developers/gtfs/
- **Feed** — https://www.transitchicago.com/downloads/sch_data/google_transit.zip
- **DataGov** — https://catalog.data.gov/dataset/cta-system-information-developer-tool-gtfs-data
- **Transitland** — https://www.transit.land/feeds/f-dp3-cta
- **ChicagoDataPortal** — https://data.cityofchicago.org/Transportation/CTA-System-Information-Developer-Tool-GTFS-Data/sp6w-yusg

## Other Chicago Transit Authority APIs (10)

- [CTA Customer Alerts API](https://apis.io/apis/chicago-transit-authority/customer-alerts-api/)
- [Chicago Transit Authority Arrivals API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-arrivals-api/)
- [Chicago Transit Authority Bulletins API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-bulletins-api/)
- [Chicago Transit Authority Follow API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-follow-api/)
- [Chicago Transit Authority Locations API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-locations-api/)
- [Chicago Transit Authority Predictions API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-predictions-api/)
- [Chicago Transit Authority Routes API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-routes-api/)
- [Chicago Transit Authority Stops API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-stops-api/)
- [Chicago Transit Authority System API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-system-api/)
- [Chicago Transit Authority Vehicles API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-vehicles-api/)

## Tags

GTFS, Schedule, Static, Transit

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/chicago-transit-authority/gtfs-feed/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/chicago-transit-authority/.