Welcome to the Developers section. The STM wishes to provide developers with data about its bus schedules and routes and information about its metro service.

GTFS - realtime data (real-time bus schedules and locations) and API i3 (métro and bus service updates)

To access the GTFS - realtime
data and the API i3, connect
to the STM developer portal

To access the GTFS - realtime data and the API i3, connect to the STM developer portal

  • More information about GTFS realtime
  • Documentation on how to use our API can be found on the STM developer portal

GTFS data (bus schedules and métro frequency)

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Trips.txt file modification

We have updated the trip_headsign content attribute in the static GTFS trips.txt table by adding the directional element. An exploitable Beta version is now available. This version will become the regular one starting on the next application period in June 2024.

Download the scheduled GTFS (Beta version)
Effective until June 16, 2024
Last updated on March 14, 2024

Download GTFS
Available until June 16, 2024

Last update March 13, 2024  -
New schedules starting March 25, 2024

The schedules will change in 2024 on the following dates:
January 8, March 25, June 17, August 26 and October 30

The GTFS data are usually available 10 days before the schedule change .

GTFS previous period (from January 8 to March 24,2024)

Shapefile format for Geographic Information Systems (GIS)

Bus lines (shapes.txt) and bus stops (stops.txt) in the GTFS are available in shapefile format for easier integration into GIS. Shapefile specifications are available here.
Files available in MTM NAD83 Zone 8.

Download the Shapefile
Last update, March 14, 2024


By downloading the data contained in this section, you agree to these Terms of Use, as they may be updated and changed from time to time by the STM, at its entire discretion. If you do not agree to them, you must not use the site or download any material from it.

User Licence

There is a page on this website where all the transit apps using the STM data are listed. You'll see a description and a logo for each app. With this information, the clients will be able to find the app that suits their needs.


Use the following email address to send us your questions and comments: You can also ask your questions on the open data forum.

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