NEW YORK — When Gov. Andrew M. Cuomo abruptly called off the L train shutdown, he upended years of careful planning to ensure that 275,000 displaced riders were not left stranded in an L-pocalypse.
The disruption planned for the L line is in many ways a preview of what lies ahead for the rest of the system. In a city that takes pride in its round-the-clock subway — it’s one of the only systems ...