Grand Central Madison, 15 stories underground, saves LIRR riders little time compared to Penn Station commute

The new Grand Central Madison terminal allows Long Island Rail Road trains to go all the way to the east side of Manhattan. One of the main selling points: it would save New Yorkers commute time.

So, WNYC's Stephen Nessen timed his trip to see whether it really is faster to take a train to Grand Central Madison, instead of the subway from Penn Station.