Open data is information that public bodies collect, produce, or purchase (public sector information) and make freely available for reuse for any purpose. The Creative Commons Attribution 4.0 – CC BY 4.0 license (https://creativecommons.org/licenses/by/4.0/) establishes the terms of use.
The General Transit Feed Specification (GTFS) is an open standard used to distribute relevant information about transit systems (routes, schedules, and stops) to users. It allows public transport agencies to publish their transit data in a format that can be used by a wide variety of software applications. Information source: https://old.gtfs.org/pt-BR/
Access the TCB GTFS link, where the most recent version of the GTFS for the Barreiro Public Transport operation is available.