Browse Items (6 total) Browse All Browse by Tag Search Items Browse Map Tags: Tunnels Sort by: Title Creator Date Added Southwest Freeway Construction District Department of Transportation 1958-1960 Center Leg of the Inner Loop - Air Rights Tunnel District Department of Transportation 1977 Streetcar Subways District Department of Transportation October 1, 1944 Maine Avenue Tunnel District Department of Transportation Various Center Leg of the Inner Loop, D Street SW to D Street NW District Department of Transportation December 20, 1966 Landmarks, Scenery, and Streetscapes District Department of Transportation Various Output Formats atom, dcmes-xml, json, omeka-xml, rss2