Starting Monday, crews will perform maintenance work on portions of the B and D lines.

Service will be suspended between Norwood-205th Street and 161st Street-Yankee Stadium in both directions between 10 p.m. and 5 a.m. for four consecutive nights.

Customers can hop on free shuttle buses between 205th Street and the Mosholu Parkway stop on the 4 line.

A transfer is also available between 4 and D trains at 161st Street.

For more information go to mta.info.