Good question, we are in the process of modernizing signals on the Queens Blvd, 8 Av, and 6 Av for CBTC. As far as the transferring of cars to the Queens Blvd is correct to facilitate the testing of CBTC on the Queens Blvd line for reliability and compatibility. ^JG

— NYCT Subway (@NYCTSubway) December 28, 2019