I’d call this “17 minute head start”
Clever Commute [5:23 PM] – I just heard there is a train stuck in the tunnel. Trouble ahead?
LIRR [5:40 PM] – The LIRR is experiencing delays of 20 to 30 minutes due to a train experiencing equipment problems outside of Penn Station. The disabled train is the 4:49 PM train from Penn Station due in Port Jefferson at 6:36 PM. Sep-11-2008 05:35:24PM