The Viewliner sleeper came into service around the same time as the Amfleet II, providing sleeping accommodations for Amtraks trains on such routes as the Lake Shore, Cardinal, Silver Star, and others. Together, the Amfleet II and Viewliner car series provide necessary overnight train service from Chicago, to New York, and even down to Florida and New Orleans.

Phase 7 is the newest livery for Amtrak equipment, each car features a dual blue look with different accent colors to indicate service levels. Red is first class, light blue is business class, and green is coach class.