The MTA said the swap will reduce the number of track merges that cause slowdowns when multiple lines share tracks. Here's a map.
NEW YORK CITY (WABC) -- Heads up commuters: Service suspensions have begun on the No. 4, 5 and 6 train lines south of the Grand Central-42nd Street subway station due to track replacement work, the ...
Multiple subway lines were rerouted as a result, but are now running with delays. Downtown No. 5 trains ran on the No. 2 line from 149 th Street-Grand Central to Nevins Street, and downtown No. 6 ...