Be advised that there are no 7 Trains between 34 St-Hudson Yards and Queensboro Plaza, from 12:15 am on Saturday through 4:30 am on Monday, for several weekends in October because of signal modernization:

• Oct 6 – 8 (Flushing-bound trains run express from Queensboro Plaza to 74 St-Broadway)
• Oct 13 – 14 (Flushing-bound trains run express from Queensboro Plaza to 74 St-Broadway; service change ends 10 pm on Sunday)
• Oct 20 – 22
• Oct 27 – 29 (Queensboro Plaza-bound trains run express from 74 St-Broadway to Queensboro Plaza)
• Nov 24 – 26 

The signal modernization involves the completion of testing of CBTC and the removal of old equipment. After a long delay, work is expected to be completed by the end of the year.