Browse Items (6 total) Browse All Browse by Tag Search Items Browse Map Tags: Tunnels Sort by: Title Creator Date Added Center Leg of the Inner Loop - Air Rights Tunnel District Department of Transportation 1977 Streetcar Subways District Department of Transportation October 1, 1944 Southwest Freeway Construction District Department of Transportation 1958-1960 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