Washington, DC to Nashville:
wtop.com
busride.com
This is unusual as a start-up route. The small company has spent a good deal of effort working with a design firm to develop an 18-berth Prevost (seats 36 in daytime mode). And they have an elegant website:
napaway.com

Napaway starts bus service from DC to Nashville, with beds | WTOP News
Startup luxury coach bus service Napaway Coach will launch its first route next month, from D.C. to Nashville. Its bus has beds.


Napaway Sleeper Coach Service Aims for Comfort - BUSRide
A premium sleeper coach service is looking to compete with airlines and improve travel in the US by merging the convenience of coach travel with the comfort of a business class suite. Napaway founder and CEO Dan Aronov explained that the company’s goal is to provide genuine comfort, privacy...

This is unusual as a start-up route. The small company has spent a good deal of effort working with a design firm to develop an 18-berth Prevost (seats 36 in daytime mode). And they have an elegant website:

Napaway | Premium Sleeper Coach Service
Napaway Premium Sleeper Coach Service. The overnight sleeper bus, redefined.
