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 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 Maine Avenue Tunnel District Department of Transportation Various Southwest Freeway Construction District Department of Transportation 1958-1960 Streetcar Subways District Department of Transportation October 1, 1944 Output Formats atom, dcmes-xml, json, omeka-xml, rss2