The Red-Blue Connector: A half-mile of subway that benefits an entire region
ADVERTISEMENT Sponsored by The Boston Foundation The Best of CommonWealth Beacon OPINION A Red Line train leaving Charles/MGH for Kendall Square. (Photo via Canva) The Red-Blue Connector: A half-mile of subway that benefits an entire region November 9, 2025 By Will Palmer, Elias Fen, and James Aloisi How long is too long to wait for all subway lines on the MBTA to be connected? 100 years? This December, it will be 101 years since the Boston Globe first reported on the idea to connect the MBTA’s Red and Blue lines, noting that riders “using either the East Boston Tunnel [the Blue Line] or the Cambridge Subway [the Red Line] could change cars at Charles St, instead of transferring at Scollay Square and Park Street, the most congested parts of the whole system … This would have a distinct tendency to remove this congestion and would therefor...