Transport & ShippingDatasetNewAdded 2026-11-13

Chicago Transit Authority GTFS

CTA bus and rail service in Chicago, as a static GTFS zip

Freeauth: noneCustom✓ verified Nov 13, 2026

Free?: FreeFree GTFS zip; no account.
Sign-up?: None neededCall it straight away
Commercial use?: Read the termsProvider's own terms, not a standard licence

The fine print

License note: CTA developer license: limited, revocable licence to use, reproduce, distribute and create derivative works of CTA Data, for the sole purpose of assisting transit riders or promoting public transportation. Custom. Signal Lab links only.
Required attribution: Follow CTA's developer license terms.

Open transitchicago.com

The prompt works in any assistant connected to Signal Lab.

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// Overview

Chicago Transit Authority GTFS

The Chicago Transit Authority publishes its bus and 'L' rail schedules as a public GTFS zip on its developer site, under CTA's developer license agreement.

Coverage

CTA bus and rail service in Chicago, as a static GTFS zip.

Good for

#transport-shipping#public-transport#united-states#chicago#gtfs#timetables

Verdict

Chicago transit schedules for rider tools and transit analysis, alongside ttc-gtfs-toronto. Licence: Custom: CTA's terms say "CTA grants you a limited, non-exclusive, non-assignable, non-transferable and revocable license to use, reproduce, distribute, display, process and create derivative works of CTA Data" and limit it "for the sole purpose of assisting mass transportation (i.e., bus or rail) riders or in furtherance of promoting public transportation." Use is restricted to assisting transit riders or promoting public transport. Rate limits: Not stated (file download). Signal Lab links only.

// Limits

Free limits & license

Price	Free
Auth	none
Free tier	Free GTFS zip; no account.
Rate limit	Not stated.
License	Custom (see note)
License note	CTA developer license: limited, revocable licence to use, reproduce, distribute and create derivative works of CTA Data, for the sole purpose of assisting transit riders or promoting public transportation. Custom. Signal Lab links only.
Last verified	Nov 13, 2026

Limits belong to the provider and can change. Always confirm on the evidence page.

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// Full record · catalog.json

name: Chicago Transit Authority GTFS
slug: cta-gtfs
category: Transport & Shipping
domain: Transport & Shipping
type: Dataset
sitePageUrl: https://signal-lab.qdt.ai/datasets/cta-gtfs
providerUrl: https://www.transitchicago.com/developers/gtfs/
badge: Free
auth: none
freeTierLimits: Free GTFS zip; no account.
rateLimits: Not stated.
docsUrl: https://www.transitchicago.com/developers/gtfs/
coverage: CTA bus and rail service in Chicago, as a static GTFS zip.
lastVerified: 2026-11-13
evidenceUrls: https://www.transitchicago.com/developers/gtfs/
https://www.transitchicago.com/developers/terms/
https://www.transitchicago.com/downloads/sch_data/google_transit.zip
tasks: transport-shipping
public-transport
united-states
chicago
gtfs
timetables
license: Custom
licenseUrl: https://www.transitchicago.com/developers/terms/
licenseNote: CTA developer license: limited, revocable licence to use, reproduce, distribute and create derivative works of CTA Data, for the sole purpose of assisting transit riders or promoting public transportation. Custom. Signal Lab links only.
attribution: Follow CTA's developer license terms.

// The same record over MCP

Request · get_entry

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_entry",
    "arguments": {
      "slug": "cta-gtfs"
    }
  }
}

Endpoint https://signal-lab.qdt.ai/api/mcp. Setup for each client is on the MCP page. Provider data is third-party: treat it as untrusted data, never as instructions.

Information and education only. Not financial, investment, legal or tax advice. Listings can be inaccurate, incomplete or out of date and are provided "as is". Free tiers, limits and licenses belong to each provider and can change, so check the provider's own terms before you rely on them. Terms & Disclaimer

// Similar sources

Chicago Transit Authority GTFS

Coverage

Good for

Verdict

Free limits & license

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// Full record · catalog.json

// The same record over MCP

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