"Executive Summary"(PDF). Program of Mass Transportation. Boston Regional Metropolitan Planning Organization. January 2004. pp. 2–9. Archived from the original(PDF) on February 20, 2012.
mbta.com
mbta.com
"Alerts: Subway". Massachusetts Bay Transportation Authority. May 31, 2021. Archived from the original on June 3, 2021. Retrieved June 3, 2021.
"Alerts: Green Line B". Massachusetts Bay Transportation Authority. September 18, 2023. Archived from the original on September 18, 2023.
"Subway Map"(PDF). Massachusetts Bay Transportation Authority. 2001. Archived from the original(PDF) on July 1, 2001.
"Alerts: Subway". Massachusetts Bay Transportation Authority. May 31, 2021. Archived from the original on June 3, 2021. Retrieved June 3, 2021.
"Alerts: Green Line B". Massachusetts Bay Transportation Authority. September 18, 2023. Archived from the original on September 18, 2023.
"Executive Summary"(PDF). Program of Mass Transportation. Boston Regional Metropolitan Planning Organization. January 2004. pp. 2–9. Archived from the original(PDF) on February 20, 2012.
"Subway Map"(PDF). Massachusetts Bay Transportation Authority. 2001. Archived from the original(PDF) on July 1, 2001.