Not quite the norm but fun!
A comfortable enough business hotel on a lovely peaceful campus with wonderful old buildings and cute squirrels (I do come from a country with none!). 
The rooms were adequately furnished and clean but there is no mini bar nor drink maker in the room. I liked that the window could be opened for fresh air.
The lobby does have tea/coffee maker and some food available 24/7 and the reception staff are really helpful. There is no evening restaurant service on site - just breakfast and lunch.
The shuttle to Union Station was efficient and frequent. Taxi to Dulles (up to 1 hour) was about US$60 with a clear run off-peak though I was told it can be up to $90 when the traffic is bad. 
It's not in a really walk-about suburb at night although the campus is secure and the Deaf students are very friendly when you are out walking around the place.