We'll be updating this throughout the storm. Send your photos to transponation@gmail.com or @transportnation.  'Cause we'd like to share them.

The entrance to the downtown 1 train at Broadway and 79th Street (photo by Kate Hinds)

Bike delivery workers still on the job as of 3:30 pm on Amsterdam Avenue (photo by Kate Hinds)

Bicycling in a hurricane on Columbus Avenue (photo by Kate Hinds)

from @DriversWantedNY: "NYC: subway is closed,airport is closed,but TAXIS r open.Raza working since 4am & now taking a $1bus home."

Photo from @DavidKesting

A tree fell on NYC Council member Brad Lander's Brooklyn home. (via @BradLander at 5:43pm)

From the NY MTA: Metro-North Railroad runs patrol trains to survey its tracks during and after storms. As Hurricane Sandy approached, this train struck a tree across the tracks and was briefly halted. (photo courtesy of MTA Metro-North Railroad)

Hatches are battened down at the South Street Seaport. Monday afternoon. (Photo by Alex Goldmark)

from NY Governor Cuomo's twitter account at 4:46pm: severe conditions at Rockaway, waves slamming into the bay wall.

 

Large floating debris and white caps under the base of the Brooklyn Bridge, Monday afternoon. (Photo by Alex Goldmark)

 

Rising water at Harlem River Park (photo by @HessMatthias)

Clinton Hill Rooftop overlooking The Brooklyn Navy Yard. (Photo by Jamie Boud)

 

The Hudson River at 3:30pm Monday (photo by Kate Hinds)

Entrance to the Holland Tunnel, 2:30 pm (photo by Richard Yeh)

The Croton River Bridge at about 1:15pm. It carries Metro-North Railroad's Hudson Line over the Croton River. Water has risen up to the level of the bridge. (Photo courtesy of MTA Metro-North Railroad / Robert Stinson)

The Island Park LIRR station tracks already largely under water as of 1pm Monday (photo by Alfonso Castillo via flickr)

Battery Park, 12:22pm Monday (photo by Jim O'Grady)

The flooded FDR Drive at noon Monday (photo by Caitlyn Kim)

Another view of flooding on the FDR Drive (photo by Caitlyn Kim)

Wait -- is that an MTA bus?? Never mind, it's for the police. (Photo by Caitlyn Kim)

Atlantic City (photo via @Mouselink)

A runway at JFK Airport in Queens, with water encroaching (photo courtesy of Port Authority of New York and New Jersey)

The view from Battery Park at 11:40am Monday: Statue of Liberty, rising waters (photo by Jim O'Grady)

The Broad Street subway station in lower Manhattan, sealed up (photo by Jim O'Grady)

Transit officers Romaniello and Wright in front of a sandbagged subway station (photo by Jim O'Grady)

The PATH station at the World Trade Center. The whole system is shut down. (Photo by Jim O'Grady)

(photo by Jim O'Grady)

An inflatable 'bladder" at the entrance to an office building (photo by Jim O'Grady)

Sandbags in front of the New York Stock Exchange (photo by Jim O'Grady)

More sandbags outside the Stock Exchange (photo by Jim O'Grady)

The Williamsburg Bridge on Monday morning -- light traffic, some bikes (photo by Jim O'Grady)

Sign taped to an M79 bus on Sunday (photo by Kate Hinds)

The Bronx Bees hives were getting ready for the storm on Sunday (photo via @BronxBees)

Manhattan's 79th Street Boat Basin, Sunday afternoon (photo by Kate Hinds)