The Second Avenue subway plan has been on the drawing board since 1920, when it was envisioned as part of a massive subway expansion that brought us the IND, the trains that now run under Sixth and Eighth avenues. But the Second Avenue subway was derailed by the Great Depression, and despite a string of vigorous efforts, the plan just never got back on track. That, however, may be about to change. The Second Avenue subway is surfacing again, and this time the vision of a new line just may finally be realized.
