MTC Transit Data Manager (TDM)
The MTC Transit Data Manager (TDM) suite provides web-based tools for creating, managing, evaluating, and publishing transit data, specifically data stored in the General Transit Feed Specification (GTFS) format.

To get started, click a topic from the table of contents on the left pane.
Contact
If users need to report bugs or require further assistance, please email transitdata@511.org.