This was an interesting read, with a couple of glaring errors: * The systems that predate the modern NYC subway were not called the IRT. The IRT was a single s

This was an interesting read, with a couple of glaring errors: * The systems that predate the modern NYC subway were not called the IRT. The IRT was a single system, which now makes up the “A Division” of the subway. The other system was the BMT, which was combined with the IND to make up the “B Division” (since they have compatible trackage and car lengths/widths, unlike the IRT). * The interviewee claims that the IND only really expanded into two new areas (via the crosstown line and QBL), which isn’t true: the IND also included the Culver and Fulton lines, both of which cover otherwise underserved neighborhoods.