The Metro-North Railroad will honor tickets between Grand Central in New York City and New Haven (NHV), according to Amtrak. Amtrak officials were unable to estimate when normal services will resume.

Power was ultimately restored to one of the line’s two tracks around 2:50 p.m., with full service returning shortly before 5:30 p.m. Metro-North Railroad had been cross-honoring Amtrak tickets ...