4 ms·

This isn't accurate for the entire city. At Astor Place, you can look through the sidewalk grates directly onto the tracks.

• gk1 14y ago
  Well, of course. The subway system varies in depths from above-ground to hundreds of feet in the ground (I think Roosevelt Island, on the F line, is the deepest subway station).
  • siculars 14y ago
    Possibly the A train at 168th St. in Manhattan.