G train riders are in for another summer of service disruptions. The Metropolitan Transportation Authority (MTA) announced last week that G train service will be suspended between Court Square and Bedford-Nostrand Avenues on select weeknights and weekends from July 14 through August 18, as work continues to upgrade the line’s 1930s-era signal system. The line partially shut down for six weeks last summer as part of the $368 million modernization project, which will make the G the third subway line to be fully converted to Communications-Based Train Control (CBTC) signaling.
The outages will occur overnight from 9:45 p.m. to 5 a.m., and on weekends from 9:45 p.m. Friday through early Monday morning.
Overnight closures take place on the following dates:
- Monday, July 14 to Friday, July 18
- Thursday, July 24 to Friday, July 25
- Monday, August 4 to Friday, August 8
- Monday, August 11 to Friday, August 15
Weekend closures take place on:
- Friday, July 25 to Monday, July 28
- Friday, August 1 to Monday, August 4
- Friday, August 8 to Monday, August 11
- Friday, August 15 to Monday, August 18
During the shutdowns, fare-free shuttle buses will operate between Court Square and Bedford–Nostrand Avenues and stop at all affected stations, running every three to four minutes overnight and every five to 10 minutes on weekends. Train service will continue between Church Avenue and Bedford–Nostrand Avenues.
Work on the signal project is expected to continue through the third quarter of 2027. Since the initial G train shutdown in 2024, the MTA has completed three phases of 24/7 outages over nine and a half weeks to modernize the line’s signaling system and complete critical work, including reconstruction of the Court Square interlocking and upgrades to approximately 30 miles of track.
The project marks MTA Construction & Development’s first design-build signal modernization effort. By using innovative contracting methods like design-build, the MTA aims to control costs while minimizing service disruptions for riders.
During last summer’s outages, the MTA also completed upgrades, repairs, and deep cleanings at 10 G line stations. This included scraping, priming, and painting 233,645 square feet of platform, track, and mezzanine ceilings; replacing 9,495 tiles; scraping, priming, and painting 1,802 station columns; and converting 4,858 lamps to LED.
Taking advantage of the closures, the MTA partnered with Boldyn Networks to install 5G cellular service throughout the underground sections of the G line, with public access expected this fall. In May, the agency also announced plans to expand 5G service to the 4 and 5 subway lines.
G line riders have also benefited from the rollout of new R211 trains, which began in March. The fleet includes R211T open-gangway models that improve reliability and rider comfort and are compatible with the new CBTC signaling system.
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