Work will be performed for three consecutive weeknights from May 20 to early morning May 23 between 125th Street and Grand Central-42nd Street in both directions.
The section of the Lexington Avenue line between 51st Street and 96th Street is on two levels. Local trains are on the upper level and express trains are on the lower level. During the previous Lexington Avenue Line FASTRACK in March, local service was suspended on this four-mile long segment. A contingent of maintenance workers descended to the local tracks where they were able to inspect signals and switches, repair and replace track and crossties, repair water damage, clean drains and track floors and perform elevator and escalator repair work. In addition, they were also able to perform high-intensity station cleaning which brought a visible improvement to the station environment.
FASTRACK was introduced in January 2012, devoting a number of straight weeknights to perform maintenance work in tunnels, stations and on tracks, completely suspending service within a given line segment for a seven-hour period between 10 p.m. and 5 a.m. This gives free access to the system, allowing an maintenance workers to perform dozens of tasks without the concern of having to "clear up" to allow trains to pass.
The next FASTRACK overnight closure will be on the E, f, M and R Subway Lines between 5th Avenue-53rd Street on the E and M to Roosevelt Avenue and between 21st Street-Queens Bridge F to Roosevelt Avenue, June 3 – 7.