Browse Items (6 total) Browse All Browse by Tag Search Items Browse Map Tags: Interstates Sort by: Title Creator Date Added Abandoned Transportation Projects Various Various Freeways & Highways Various Various Proposed Highways District Department of Transportation Various Center Leg Area/Construction District Department of Transportation Various Potomac River Freeway Completion District of Columbia. Department of Highways Various Center Leg of the Inner Loop, D Street SW to D Street NW District Department of Transportation December 20, 1966 Output Formats atom, dcmes-xml, json, omeka-xml, rss2