For decades, transportation planners have sought to create a single passenger rail system that runs through Penn Station.

NJ Transit riders are in for some high-tech upgrades in the near future.

The national railroad has fought with the New York transit agency for years over competing construction priorities.

Here are the most common reasons why an MTA train is running late, and the most delayed lines in the NYC subway system.

MTA officials say the work is a necessity, as crews working on signal improvements have discovered water leaking into the Greenpoint Tube — the tunnel that brings the G train under the Newtown Creek.