Thanks to Google Maps Street View and a little "Photoshop magic", here are three different views of what Arlandria might look like with some way-finding signs in place. Click to see a larger view of each.
Note: "Photoshop magic" should really read "negligible Photoshop skill." Magic just sounded better.
Gateway from Arlington Ridge on Mt. Vernon Ave:
Northbound near Russel Rd. intersection:
Gateway from Del Ray (near Calvert):