The successor to the Montrealer, the Vermonter runs between St. Albans, Vt., and Washington, DC. Much of the northern part of the route runs along the Connecticut and White Rivers.
Amtrak's Northeast Corridor cuts across the northern end of Delaware. Go to the cafe car for a coffee and you might miss it. The state may be small but among Acelas, regional trains and long distance there is plenty of action.