The MTA has posted service alerts for the & . The service alerts state:
Due to a customer requiring medical assistance at the Nevins Street Station, selected Brooklyn College-bound trains are running on the line from the 149th Street-Grand Concourse Station to the Nevins Street Station.
Please expect delays in service on the and trains.
In addition, due to signal problems at the Smith-9th Streets Station, please expect delays in service on the trains at this time.