WEEHAWKEN — On a recent Saturday morning, workers used heavy machinery to clear away chunks of the tunnel floor after rails and wooden ties had been removed.

The goal was to get at a small pond's worth of standing water that can degrade the tracks and wreak havoc on the tunnel’s electrical systems, sapping power or sending a false signal that a train is on the tracks.

SEE: Painstaking labor to save the North River tunnel

Seven stories below street level in Weehawken, on the edge of the Hudson River, a race against time is being waged, foot by painstaking foot.

Jersey City home transformation: From falling apart to full luxury

41 Bentley Ave. was basically falling apart. It was typical of many homes you see in the older sections of Jersey City, before the developers get to them, that is. Many of them are rundown, neglected with the population of the town not having the means to repair and update them.