Here is the Memorial Day 2013 service plan info for NYC Transit:
New York City Transit subways, buses and MTA Buses operate on a Sunday schedule on Memorial Day. Subway customers are reminded to use the A, C, D or Q instead of the B and the J instead of the Z. Some subway routes are shortened and some of the changes are due to weekend work that extends through Monday. As a reminder:
5 trains are suspended this weekend due to track work. Take 2 and/or 4 trains instead.
J trains run between Jamaica Center and Chambers Street
L trains run between Rockaway Parkway and Lorimer Street only, with no service to Manhattan, due to tunnel work.
M trains run between Metropolitan Avenue and 57th Street/6th Avenue F Station to replace the L.
Q trains run between 57th Street-7th Avenue and Coney Island-Stillwell Avenue.
xoxo Transit Blogger