Complex sentence: But the need for a transfer from New Jersey Transit trains at Secaucus would eliminate the time savings and the route would not have the same capacity as the ARC tunnel as trains would not be arriving at several platforms at the New York termini.
Split into simpler sentences: But the need for a transfer from New Jersey Transit trains at Secaucus would eliminate the time savings. The route would not have the same capacity as the ARC tunnel, as trains would not be arriving at several platforms at the New York termini.