The MTA and New Jersey Transit kicked off the unofficial start to summer by offering additional train service to help commuters get home as fast as possible on Friday.
But the holiday weekend will also mean scheduled service changes on Monday across commuter lines and the subways.
Scroll down to find out the details.
NJ Transit
Saturday and Sunday
There will be hourly service on the Bay Head-Long Branch shuttle between 8 a.m. and 10 p.m.
Monday
Trains will operate on a weekend/major holiday schedule across all lines.
There will be hourly service on the Bay Head-Long Branch shuttle between 8 a.m. and 10 p.m.
For more information on train times, visit NJTransit.com.
Long Island Rail Road
Saturday and Sunday
Trains will run on regular weekend schedules.
Monday
Trains will operate on a holiday schedule.
For more details on the additional trains, visit MTA.info.
Metro-North Railroad
Saturday and Sunday
Trains will operate on a regular weekend schedule.
Monday
Trains will operate on a Sunday schedule.
For more information on train times, visit MTA.info.
Subways, Friday night to Tuesday morning
No. 1 trains
Normal weekend service
No. 2 trains
Trains in Manhattan will replace 3 trains between 135th and Chambers streets.
Trains will replace 3 trains between Chambers Street in Manhattan and Franklin Street in Brooklyn (5 a.m. Monday to 5 a.m. Tuesday).
Trains in the Bronx will replace 5 trains between East 180th Street and Dyre Avenue. Dyre Avenue-bound trains will skip Morris Park, Pelham Parkway, Gun Hill Road and Baychester Avenue during this time (11:45 p.m. Friday to 5 a.m. Monday).
Service between Chambers Street in Manhattan and Flatbush Avenue in Brooklyn will be replaced by 5 trains (11:45 p.m. Friday to 5 a.m. Monday).
No. 3 trains
No trains running. Service will be replaced by 2 and 4 trains and free shuttle buses.
No. 4 trains
Trains in Brooklyn will replace 3 trains between Atlantic Avenue-Barclays Center and New Lots Avenue.
New Lots Avenue-bound trains in the Bronx will skip Mosholu Parkway, Bedford Park Boulevard, Kingsbridge Road, Fordham Road and 183th Street (Saturday and Sunday, 6:45 a.m. to 8 p.m.).
No. 5 trains
Uptown trains in the Bronx will skip Bronx Park East, Pelham Parkway, Allerton, Burke Avenues, 219th, 225th, 233rd streets and Nereid Avenue (Saturday and Sunday, 6:45 a.m. to 7 p.m.).
No. 6 trains
Pelham Bay Park-bound trains in the Bronx will skip Brook Avenue, Cypress Avenue, East 143rd Street, East 149th Street and Longwood Avenue (11:45 p.m. Friday to 5 a.m. Monday).
No. 7 trains
Normal weekend service.
A trains
Normal weekend service.
C trains
Normal weekend service.
E trains
Service at 36th Street, Steinway Street, 46th Street, Northern Boulevard and 65th Street in Queens will be replaced by free shuttle buses.
B trains
B trains do not run on weekends or holidays.
D trains
Coney Island-bound trains will skip 174th-175th, 170th, 167th and 161st streets in the Bronx and 155th Street in Manhattan.
Coney Island-bound trains in Brooklyn will skip Union Street, 4th Avenue-9th Street, Prospect Avenue and 25th Street.
Trains will run approximately every 12 minutes (days and evenings).
F trains
Normal weekend service.
M trains
Service in Manhattan will be extended to the 96th Street Q train station (10 p.m. Friday to 1:30 a.m. Saturday, 6 a.m. Saturday to 1:30 a.m. Sunday, 6 a.m. Sunday to 1:30 a.m. Monday, 6 a.m. Monday to 1:30 a.m. Tuesday).
G trains
Normal weekend service.
J trains
Service between Broadway Junction in Brooklyn and Jamaica Center in Queens will be replaced by free shuttle buses and E trains (3:30 a.m. Saturday to 10 p.m. Monday).
L trains
Trains will run every 20 minutes between Rockaway Parkway in Brooklyn and Eighth Avenue in Manhattan.
N trains
Coney Island-bound trains in Brooklyn will skip Union Street, 4th Avenue-9th Street, Prospect Avenue and 25th Street (nights).
Q trains
Coney Island-bound trains in Brooklyn will run express from Prospect Park to Sheepshead Bay (Saturday and Sunday, 5:45 a.m. to 8 p.m.).
R trains
Bay Ridge-bound trains in Brooklyn will skip Union Street, 4th Avenue-9th Street, Prospect Avenue and 25th Street.
Service at 36th Street, Steinway Street, 46th Street, Northern Boulevard and 65th Street in Queens will be replaced by free shuttle buses.
W trains
W trains do not run on weekends or holidays.
S shuttle
42nd Street Shuttle service will run overnight.
Z train
Z trains do not run on weekends or holidays.