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Service changes on the G line in summer 2024

There will be major service changes on the G line in summer 2024 while we modernize signals. Here's what you need to know.
Updated September 3, 2024 9:00 a.m.

What we’re doing

From June 28 to September 3, service on the  line was partially suspended in three phases:

  • From June 28 to July 5,  trains didn’t run between Court Sq and Nassau Av.
  • From July 5 to August 11,  trains didn’t run between Court Sq and Bedford-Nostrand Avs.
  • From August 12 to September 3,  trains didn’t run between Bedford-Nostrand Avs and Church Av.

Why we’re doing it

The Crosstown Line, used by the  train, still has its original signal system from when it opened over 90 years ago. This system is now past the end of its useful life. So, we’re bringing the latest in communications-based train control (CBTC) technology to the Crosstown Line. A more modern, reliable signal system means more reliable service for the 160,000 riders who take the  each day.

We partially suspended service 24/7 in three phases because this will allow us to complete the work much more quickly than working only overnight or on weekends. This will help us reach our goal of fully upgrading the signal system on the Crosstown Line by 2027.

Learn more about CBTC.

Service changes

Phase 1: June 28-July 5

  • During Phase 1, from 9:45 p.m. Friday, June 28 to 9:45 p.m. Friday, July 5,  trains didn’t run between Court Sq and Nassau Av in either direction.

Phase 2: July 5-August 11

  • During Phase 2, from 9:45 p.m. Friday, July 5 to 8:30 p.m. Sunday, August 11,  trains didn’t run between Court Sq and Bedford-Nostrand Avs.
    • From 8:30 p.m. Sunday, August 11 to 4 a.m. Monday, August 12,  trains didn’t run at all while we transitioned from Phase 2 to Phase 3 of service changes.

Phase 3: August 12-September 3

  • During Phase 3, from 4 a.m. Monday, August 12 to 5 a.m. Tuesday, September 3,  trains didn’t run between Bedford-Nostrand Avs and Church Av.