You can check for service changes and delays before heading out:

• The subway: There are service changes on A, C, E, B, D, F, M, N, Q, R, W and L trains.

• Metro-North: The Harlem and New Haven lines are running with delays, and there are service changes on the Hudson line.

• Long Island Rail Road: The City Terminal Zone, Oyster Bay, Port Jefferson and Ronkonkoma lines are running with delays. Service on the West Hempstead line has been suspended, and there are changes to Babylon and Hempstead service.

• New Jersey Transit: Bus, rail and light rail services are running on a normal weekday schedule, but buses to and from the Port Authority Bus Terminal may experience delays. Cross honoring is in effect on buses, private carriers, rail and light rail services. Access Link service is suspended statewide.

• Bridges and tunnels: Motorists are encouraged to drive at reduced speeds on bridges and tunnels across the city, so expect a slower-than-usual commute. A speed restriction of 35 m.p.h. is in place on the George Washington Bridge and there are residual delays at the Lincoln Tunnel.