Between the cold weather and Valentine's Day this Sunday, make sure you check out the following subway service changes before heading out this weekend.

2

From 3:45 a.m. Saturday, February 13 to 10:00 p.m. Monday, February 15, 2   trains operate in two sections:

Between Flatbush Av-Brooklyn College and E 180 St, and via the 5   to/from Eastchester-Dyre Av.

Between E 180 St and Wakefield-241 St. To continue your trip, transfer at E 180 St.

From 3:45 a.m. Saturday, February 13 to 10:00 p.m. Monday, February 15, E 180 St-bound 2 trains run express from Wakefield-241 St to E 180 St.

 3

At all times until winter 2015/16 3 trains skip Rockaway Av and Van Siclen Av in both directions. Use free shuttle buses instead.

For Service To/From Rockaway Av, use shuttle buses to/from the Saratoga Av station at all times. B60 customers can transfer to/from shuttle buses at Rockaway Av.

For Service To/From Van Siclen Av, use shuttle buses to/from the Pennsylvania Av station at all times.

Free transfer is available with MetroCard.

From 11:45 p.m. Friday, February 12 to 5:00 a.m. Tuesday, February 16, 3 trains are suspended in both directions between Harlem-148 St and 96 St. Take the 2 and free shuttle buses instead. Free shuttle buses operate between 135 St and 148 St stopping at 145 St. 

4

At all times until winter 2015/16 4 trains skip Rockaway Av and Van Siclen Av in both directions. 

At all times until Spring 2016 Pelham Bay-Park bound 6 trains skip 103 St. Use the nearby 96 St or 110 St stations instead. 

For Service To this station, take the uptown 4 or 6 to 125 St and transfer to a downtown 4 local or 6. Or, take an uptown 4 local or 6 to 110 St and transfer to a downtown M101 Local, M102, or M103 bus.

For Service From this station, take a downtown 4 or 6 train to 96 St and transfer to an uptown 4 or 6. Or, take an M101, M102, or M103 bus to 96 St and transfer to an uptown 4 or 6 train.

Transfer between trains and buses is available with MetroCard.

From 11:45 a.m. Friday, February 12 to 7:30 a.m. Monday, February 15, and from 11:45 p.m. Monday, February 15 to 5:00 a.m. Tuesday, February 16, Woodlawn-bound 4 trains run express from Grand Central-42 St to 125 St.

5

From 6:00 a.m. to 11:30 p.m. Saturday, February 13, from 8:00 a.m. to 11:30 p.m. Sunday, February 14, and from 6:00 a.m. to 11:30 p.m. Monday, February 15, 5 trains run every 20 minutes between Eastchester-Dyre Av and Bowling Green.

From 3:45 a.m. to 7:30 a.m. Saturday, February 13, and from 11:30 p.m. Saturday, February 13 to 9:30 a.m. Monday, February 15, 5 shuttle service is replaced by 2 trains between Eastchester-Dyre Av and E 180 St.

6 

At all times until spring 2016 Pelham Bay-Park bound 6 trains skip 103 St. Use the nearby 96 St or 110 St stations instead.

For Service To this station, take the uptown 4 or 6 to 125 St and transfer to a downtown 4 local or 6. Or, take an uptown 4 local or 6 to 110 St and transfer to a downtown M101 Local, M102, or M103 bus.

For Service From this station, take a downtown 4 or 6 train to 96 St and transfer to an uptown 4 or 6. Or, take an M101, M102, or M103 bus to 96 St and transfer to an uptown 4 or 6 train.

Transfer between trains and buses is available with MetroCard.

From 11:45 p.m. Friday, February 12 to 5:00 a.m. Tuesday, February 16, Pelham Bay Park-bound 6 trains run express from Grand Central-42 St to 125 St.

From 11:45 p.m. Friday, February 12 to 5:00 a.m. Monday, February 15, Brooklyn Bridge-City Hall bound 6 trains run express from Parkchester to 3 Av-138 St.

7 

From 6:45 a.m. to 10:00 p.m. Saturday, February 13, Hudson Yards-bound 7 trains run express from Mets-Willets Point to Queensboro Plaza.

3:45 a.m. Sunday, February 14, to 10:00 p.m. Monday, February 15, Hudson Yards-bound 7 trains run express from Mets-Willets Point to 74 St-Broadway.

C

From 6:30 a.m. to 11:00 p.m. Saturday to Monday, February 13 to 15, Brooklyn-bound C trains run express from 145 St to Canal St.

D

From 12:01 a.m. Saturday, February 13 to 5:00 a.m. Tuesday, February 16, D trains run local between 36 St and DeKalb Av. 

E

From 12:15 a.m. Saturday, February 13 to 7:00 a.m. Monday, February 15, and from 12:15 a.m. to 5:00 a.m. Tuesday, February 16, Jamaica Center-Parsons/Archer bound E trains run express from Roosevelt Av to Forest Hills-71 Av. 

F

At all times until Spring 2016, Coney Island-Stillwell Av bound F trains skip Ditmas Av. 

For Service To this station, take the Coney Island-bound F to 18 Av and transfer to a Jamaica-179 St bound F.

For Service From this station, take a Jamaica-179 St bound F to Church Av and transfer to a Coney Island-Stillwell Av bound F.

From 11:45 p.m. Friday, February 12 to 5:00 a.m. Tuesday, February 16, Coney Island-Stillwell Av bound F trains skip 169 St.

From 11:45 p.m. Friday, February 12 to 5:00 a.m. Tuesday, February 16, Coney Island-Stillwell Av bound F trains are rerouted via the E line from Roosevelt Av to W 4 St-Wash Sq.

J

From 11:30 p.m. Friday, February 12 to 5:00 a.m. Tuesday, February 16, J   trains are suspended in both directions between Hewes St and Broad St. J   service operates between Jamaica Center and Hewes St. Take free shuttle buses and 4 6 F   trains instead. Free shuttle buses operate between Hewes St and Essex St, stopping at Marcy Av. For direct service between Brooklyn and Manhattan, consider using the A C   or L   via free transfer at Broadway Junction. 

M

From 6:00 a.m. to 12 Midnight Saturday, February 13 to Monday, February 15, M   trains are suspended in both directions between Myrtle Av and Essex St. M   service operates between Metropolitan Av and Myrtle Av all weekend. Take the J L   and/or free shuttle buses instead. Free shuttle buses provide alternate service between Hewes St and Essex St, stopping at Marcy Av. For direct service to/from Manhattan, use the L   via transfer at Myrtle-Wyckoff Avs.

N

At all times until Spring 2017, Astoria-Ditmars Blvd bound N   trains skip 86 St, Avenue U, Kings Hwy, 20 Av, 18 Av, New Utrecht Av, and Fort Hamilton Pkwy. N   trains will stop at Bay Pkwy and 8 Av.

To 86 St, Avenue U, and Kings Hwy, take the Astoria-bound N   to Bay Pkwy and transfer to a Coney Island-bound N .

To 20 Av, 18 Av, New Utrecht Av, and Fort Hamilton Pkwy, take the Astoria-bound N   to 8 Av and transfer to a Coney Island-bound N .

From these stations, take a Coney Island-bound N   to Bay Pkwy or Stillwell Av and transfer to an Astoria-bound N .

For New Utrecht Av-62 St, take the D   instead. Transfer to an Astoria-bound N   train at 36 St.

From 12:01 a.m. Saturday, February 13 to 5:00 a.m. Tuesday, February 16, N   trains run local in both directions between 59 St in Brooklyn and DeKalb Av.

R

From 6:30 a.m. to 12 Midnight Saturday, February 13 to Monday, February 15 R   service is extended to Jamaica-179 St.

From 6:00 a.m. to 7:00 a.m., Saturday, February 13 to Monday, February 15, Jamaica-179 St bound R trains run express from Roosevelt Av to 71 Av.

From 11:45 p.m. Friday, February 12 to 6:30 a.m. Monday, February 15, and from 11:45 p.m. Monday, February 15 to 5:00 a.m. Tuesday, February 16, R  Shuttle service is extended to Whitehall St.