Guides & Tutorials

Deep dives into the world of GTFS. Learn how to create, validate, and publish transit data for the global stage.

What Does GTFS Stand For?

The history and meaning of the acronym.

What is GTFS Used For?

Why standardized transit data matters.

How Do I Create a GTFS File?

A beginner's guide to building your first feed.

How Do I Validate My GTFS Feed?

Ensuring your data reaches production safely.

Get My Bus on Google Maps

The step-by-step submission process.

Static vs. Realtime

Understanding the difference between the two formats.

Is GTFS Free to Use?

Licensing, costs, and open data standards.

Who Uses GTFS?

From tiny bus fleets to global tech giants.

Why Was My GTFS Rejected?

Common pitfalls and how to fix them.

How Often to Update?

Maintenance schedules for active transit feeds.

Finding GTFS Feeds

Where to download transit data for testing or use.

Every notice code, explained

The validator reports 191 notice codes across 110 checks. Each one has its own page: what triggers it, which files and fields are involved, how to fix it, and the part of the specification it comes from.