| TRANSIT AGENCY | MBTA |
| ROUTE NAME | 4 |
| ROUTE TYPE | Bus |
| TOTAL STOPS | 12 |
| STARTS AT | Drydock Ave @ Design Center Place |
| ENDS AT | Portland St @ Causeway St |
| AGENCY CUSTOMER CARE NUMBER | 617-222-3200 |
mycityroutes.com is an independent website and is not affiliated with any transit or government agencies. The Boston data is sourced from the official MBTA website. Though we strive to keep the data accurate, it is possible that some errors may appear. For accurate information, please contact MBTA authorities directly.