A long-forgotten subway tunnel beneath Manhattan, constructed in the 1970s, remains unused decades after its completion, raising questions about its purpose and the reasons behind its abandonment. Built as part of an ambitious expansion plan, the tunnel was intended to ease congestion in the city’s already crowded transit system but was never integrated into service. Decades later, its existence has resurfaced, sparking curiosity about its fate and whether it could still serve a role in modern infrastructure. The story offers a glimpse into urban planning missteps and the hidden remnants of past projects.
In the 1970s, New York built a subway tunnel under Manhattan that was never used MARCA
