Transport & ShippingDatasetNewAdded 2026-11-13

FTA National Transit Database annual service data

United States transit agencies that report to the NTD, one annual edition per report year on data.transportation.gov

Freeauth: noneCustom✓ verified Nov 13, 2026

Free?: FreeFree keyless Socrata JSON API.
Sign-up?: None neededCall it straight away
Commercial use?: Read the termsProvider's own terms, not a standard licence

The fine print

License note: Custom. The dataset metadata names the licence "Public Domain U.S. Government"; Signal Lab quotes the label only. Signal Lab links only.
Required attribution: Not stated; credit FTA's National Transit Database.

Open data.transportation.gov

The prompt works in any assistant connected to Signal Lab.

The short version. Switch to see exactly what an AI agent reads.

// Overview

FTA National Transit Database annual service data

The Federal Transit Administration's National Transit Database (NTD) annual service data, published on data.transportation.gov as a Socrata dataset with a keyless JSON API. Rows give each reporting transit agency's service by mode, type of service and time period.

Coverage

United States transit agencies that report to the NTD, one annual edition per report year on data.transportation.gov.

Good for

#transport-shipping#public-transport#united-states#api#socrata#government

Verdict

A transit-supply signal by agency and mode, alongside bts-transtats. Licence: Custom: the Socrata dataset metadata names the licence "Public Domain U.S. Government". Signal Lab quotes that label only and makes no further claim. The dataset is an annual edition, so check the dataset page for the latest report year. Rate limits: Not stated. Signal Lab links only.

// Limits

Free limits & license

Price	Free
Auth	none
Free tier	Free keyless Socrata JSON API.
Rate limit	Not stated.
License	Custom (see note)
License note	Custom. The dataset metadata names the licence "Public Domain U.S. Government"; Signal Lab quotes the label only. Signal Lab links only.
Last verified	Nov 13, 2026

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

Get the free weekly email

Free weekly email of newly verified free data. Unsubscribe by emailing us.

// Full record · catalog.json

name: FTA National Transit Database annual service data
slug: ntd-annual-data-service
category: Transport & Shipping
domain: Transport & Shipping
type: Dataset
sitePageUrl: https://signal-lab.qdt.ai/datasets/ntd-annual-data-service
providerUrl: https://data.transportation.gov/resource/74ek-quhs.json
badge: Free
auth: none
freeTierLimits: Free keyless Socrata JSON API.
rateLimits: Not stated.
docsUrl: https://data.transportation.gov/resource/74ek-quhs.json
coverage: United States transit agencies that report to the NTD, one annual edition per report year on data.transportation.gov.
lastVerified: 2026-11-13
evidenceUrls: https://data.transportation.gov/resource/74ek-quhs.json
https://data.transportation.gov/api/views/74ek-quhs.json
tasks: transport-shipping
public-transport
united-states
api
socrata
government
license: Custom
licenseUrl: https://data.transportation.gov/api/views/74ek-quhs.json
licenseNote: Custom. The dataset metadata names the licence "Public Domain U.S. Government"; Signal Lab quotes the label only. Signal Lab links only.
attribution: Not stated; credit FTA's National Transit Database.

// The same record over MCP

Request · get_entry

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_entry",
    "arguments": {
      "slug": "ntd-annual-data-service"
    }
  }
}

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

FTA National Transit Database annual service data

Coverage

Good for

Verdict

Free limits & license

Get the free weekly email

// Full record · catalog.json

// The same record over MCP

Related entries