Middleton, William D. (November 1991). "How MBTA rebuilt ridership". Railway Age. Archived from the original on May 22, 2009. Retrieved August 3, 2008.
"Appendix 2". Context Review Technical Memorandum. North South Rail Link Feasibility Reassessment. Massachusetts Department of Transportation. January 18, 2018.
"New WiFi System for Commuter Rail" (Press release). Massachusetts Bay Transportation Authority. July 24, 2014. Archived from the original on February 3, 2015. Retrieved May 11, 2015.
DiAdamo, Rob (September 14, 2020). "Fall 2020 Commuter Rail Schedule Changes"(PDF). Massachusetts Bay Transportation Authority. Archived(PDF) from the original on October 20, 2020. Retrieved September 14, 2020.
Paget-Seekins, Laurel; Benesh, Kat (November 9, 2020). "Forging Ahead: Scenario and Service Planning"(PDF). Massachusetts Bay Transportation Authority. p. 21. Archived(PDF) from the original on May 11, 2021. Retrieved June 3, 2021.
Paget-Seekins, Laurel; Benesh, Kat (December 14, 2020). "Forging Ahead: Service Proposal"(PDF). Massachusetts Bay Transportation Authority. p. 17. Archived(PDF) from the original on April 29, 2021. Retrieved June 3, 2021.
Coholan, Ryan (May 24, 2021). "Commuter Rail Performance Update"(PDF). Massachusetts Bay Transportation Authority. p. 7. Archived(PDF) from the original on May 24, 2021. Retrieved June 3, 2021.
"Lt. Governor: Historic CSX Rail Agreement". Commonwealth Conversations: Transportation. Massachusetts Department of Transportation. September 23, 2012. Archived from the original on March 6, 2013. Retrieved December 24, 2012.
"New WiFi System for Commuter Rail" (Press release). Massachusetts Bay Transportation Authority. July 24, 2014. Archived from the original on February 3, 2015. Retrieved May 11, 2015.
"Lt. Governor: Historic CSX Rail Agreement". Commonwealth Conversations: Transportation. Massachusetts Department of Transportation. September 23, 2012. Archived from the original on March 6, 2013. Retrieved December 24, 2012.
DiAdamo, Rob (September 14, 2020). "Fall 2020 Commuter Rail Schedule Changes"(PDF). Massachusetts Bay Transportation Authority. Archived(PDF) from the original on October 20, 2020. Retrieved September 14, 2020.
Paget-Seekins, Laurel; Benesh, Kat (November 9, 2020). "Forging Ahead: Scenario and Service Planning"(PDF). Massachusetts Bay Transportation Authority. p. 21. Archived(PDF) from the original on May 11, 2021. Retrieved June 3, 2021.
Paget-Seekins, Laurel; Benesh, Kat (December 14, 2020). "Forging Ahead: Service Proposal"(PDF). Massachusetts Bay Transportation Authority. p. 17. Archived(PDF) from the original on April 29, 2021. Retrieved June 3, 2021.
Coholan, Ryan (May 24, 2021). "Commuter Rail Performance Update"(PDF). Massachusetts Bay Transportation Authority. p. 7. Archived(PDF) from the original on May 24, 2021. Retrieved June 3, 2021.
Middleton, William D. (November 1991). "How MBTA rebuilt ridership". Railway Age. Archived from the original on May 22, 2009. Retrieved August 3, 2008.