There is no such thing as winter anymore, which means you can spend this 60-degree weekend avoiding any wonkiness in the subway system by biking and walking far, far away from the SantaCon route. But if you are forced to set foot on the train, for some reason, there are a few changes. Behold:

Crown Hts-Utica Av bound 4 trains will run express from 125 St to Grand Central-42 St from 11:45 p.m. on Friday to 6 a.m. on Saturday, from 11:45 p.m. Saturday to 8 a.m. on Sunday, and from 11:45 p.m. Sunday to 5 a.m. Monday.

Brooklyn Bridge-City Hall bound 6 trains will run express from 125 St to Grand Central-42 St from 11:45 p.m. Friday to 6 a.m. Saturday, from 11:45 p.m. Saturday to 8 a.m. Sunday, and from 11:45 p.m. Sunday to 5 a.m. Monday.

Inwood-207 St bound A trains run express from Canal St to 145 St, with that change in effect from 11:45 p.m. Friday to 6:30 a.m. Saturday, from 11:45 p.m. Saturday to 8 a.m. Sunday, and from 11:45 p.m. Sunday to 5 a.m. Monday.

168 St-bound C trains will run express from Canal St to 145 St, with that change in effect from 6:30 a.m. to 11 p.m. on Saturday and Sunday.

Norwood-205 St bound D trains will reroute along the C line from W4 St-Wash Sq to 145 St starting at 11:45 p.m. Friday and ending at 5 a.m. Monday.

F trains will not run at all between Coney Island-Stillwell Av and Kings Hwy in either direction, with that change in effect from 11:45 p.m. Friday and ending at 5 a.m. Monday. There will be additional F service between Jamaica-179 St and 2 Av from 9 a.m. to 7 p.m. on Saturday and then again from 11 a.m. to 6 p.m. on Sunday. Jamaica-179 St bound F trains will skip 169 St from 11:45 p.m. Friday to 5 a.m. Monday.

L trains will not run in either direction between Canarsie-Rockaway Pkwy and Myrtle-Wyckoff Avs, with that change in effect from 11:30 p.m. Friday to 5 a.m. Monday.

Astoria-bound N trains will reroute along the Q line from DeKalb Av to Canal St from 11:45 p.m. Friday to 6 a.m. Saturday, from 11:45 p.m. Saturday to 6 a.m. Sunday, and from 11:45 p.m. Sunday to 5 a.m. Monday.

71 Av-bound R trains will reroute via the Q line from DeKalb Av to Canal St from 6 a.m. to 11 p.m. Saturday and Sunday.