They're putting it on interactive map. The new feature from Arlington Economic Development site - is so cool - that you can spend a whole day looking at it. You can play around and see what buildings, projects, etc. It's color-coded for different type of buildings, whether it's residential, commercial, mixed, government, and more. You can also view it using bird's eye view tab.
Arlington is an example oYou can see from the map what area that have more hotels or commercial developments. Developments line up is along the orange metro line.
The images below is: Ballston.