This file photo taken on June 24, 2002 shows an Amtrak train ready to depart from Union Station in Washington, DC.
(AFP PHOTO / STEPHEN JAFFE)

If you’ve noticed some delays heading in and out of Union Station on Amtrak, here’s why: from now through Nov. 13, there is track work being done along the busy corridor.

For travelers on southboundAcela Express and Northeast Regional trains that means your arrival into Philadelphia, Wilmington, Baltimore and Washington will be two to three minutes later than normal .

Riders headed north be aware: Acela Express trains will depart Union Station five minutes earlier and arrive two to five minutes later than normal into New York. Northeast Regional trains will depart Union Station three minutes earlier and arrive in New York two to five minutes later than normal.