For users of our JSON alerts feeds, both standard and enhanced versions, we will soon be changing the

Thanks for reaching out! At this time, we anticipate the October 26 Commuter Rail schedules, which

Hi — heads up on something I spotted in the V3 feed. Since roughly 2026-10-03 20:00 UTC, every Red

Hi Mariana, Thanks for reaching out and looking to make MBTA-related data part of your project! While

You can say where the route went with the new service changes extension. Map discontinued_route_id to

Hi Keith—thanks for reaching out. Within Massachusetts, we're aware of Massport and PVTA as other

Hello, Sorry to bother again, but after a week or two 1815 has gone offline again and does not track.

Hello, I have recently built a tracker for MBTA subway trains, and it has come to my attention that

Hi all, I built a trip planner on the V3 API that was used by visitors coming to Boston for the 2026

Hi Pete, You're correct, we're not outputting "ONGOING_UPCOMING", as was originally

Hi Chandler, Thanks for reaching out. I'm with the Office of Performance Management &

Update: these changes were slightly delayed, and will be reflected in our GTFS-static data as of

Update: To enhance the accuracy of non-revenue service representation in our GTFS-Realtime feeds, we

That makes sense Jeff, thank you for the detailed explanation! Eric On Saturday, June 1, 2024 at 8:04

Dear Developers, We wanted to inform you that after May 13, 2024, the MBTA-performance API will be no

Does anyone know what it means when there is a listed departure time and a null arrival time for a

I'm having trouble understanding how route patterns gets to shapes of the various routes. Is

I tried to find the data on tollways (# trips daily, etc.) but could not find any. Appreciate any

Hi Developers, thanks for reaching out. This is a known issue and we're currently working on

Hi Jennifer, thanks for getting in touch! We have route_color and route_text_color information

The .proto file is provided by Google: https://developers.google.com/static/transit/gtfs-realtime/

Hi, Thank you. I've reached out the Office of Performance Management and Innovation. The data on

I am attempting to produce travel times between two stops on an MBTA commuter rail line but

Hi again, I have an update! Firstly, we do have opt-in geolocation by the browser, but it wouldn'

Hi David, thanks for reaching out. Apologies for the delayed response — this autumn we changed our

Dear Developers, We've are currently surfacing train-specific carriage information through two

Dear developers, Today, we made a small change in our real-time architecture that affects how we

Clarification - this is Commuter Rail vehicles, which should reach speeds of 79MPH On Tue, Oct 3,

I'm working on a project where I want to track upcoming commuter rail schedules based on a

Hi Jeff, The behavior you're seeing is what's expected. In the example you've provided,

Thank you! This solved it - it's epoch timestamp in milliseconds! On Tuesday, August 22, 2023 at