Here's the press release:
http://www.amtrak.com/servlet/Conten...79039&ssid=180
They are running three trains from Washington to Boston, using an inland route NYP-BOS.
Train 1170, dep WAS 5:02am, arr BOS 3:10pm 10h8m
Train 1174, dep WAS 9:25am, arr BOS 7:25pm 10h
Train 1176, dep WAS 12:05pm, arr BOS 9:50pm 9h45m