L.I.R.R. Service to Grand Central Begins at Long Last - The New York Times

Time Lapse Video: Does Grand Central Madison actually save commuters time vs. Penn Station? : r/nycrail

LIRR commuter train service to Grand Central Madison starts on Wednesday, MTA announces - ABC7 New York

Grand Central Madison finally opens for full LIRR service on Monday

MTA Transfers Control Of New Grand Central Madison To LIRR

Long Island Rail Road - Wikipedia

LIRR launches expanded schedules, full service to Grand Central Madison - Trains

First LIRR train arrives at NYC Grand Central Terminal

MTA to divert some trains from Grand Central to Penn Station

LIRR Trains Disrupted Out of NYC on Some Lines - Bloomberg

First LIRR train arrives at NYC Grand Central Terminal