| Massachusetts Bay Transportation Authority | Annual ridership | 270,715,800 (2025) | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Began operation | August 1964 (Predecessors date back to 1834) | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Chief executive | Phillip Eng | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Daily ridership | 851,600 (weekdays, Q1 2026) | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Headquarters | 10 Park Plaza Boston, Massachusetts 02116 | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Locale | Greater Boston, Massachusetts, US | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Operator(s) | MBTA (rapid transit and most bus routes) | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Operator(s) | Boston Harbor Cruises (ferries) | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Operator(s) | Keolis (commuter rail) | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Operator(s) | Various contractors (5 bus routes) | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Owner | Commonwealth of Massachusetts | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Transit type | Bus | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Transit type | bus rapid transit | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Transit type | ferryboat | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Transit type | light rail | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Transit type | rapid transit | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Transit type | regional rail | 1.00 | infobox |
| Massachusetts Bay Transportation Authority | Website | mbta.com | 1.00 | infobox |
