Nathaniel Popper at the LA Times has answered the question with a summary of how cities, architects, publications, and other groups are addressing stalled projects in cities across the USA in the article Cities embrace temporary fixes for stalled construction projects. Its a great read and file this article under great read & summary. To save you sometime I have linked in the list below the people and projects mentioned in the article.
Georgeen Theodore of Interboro Partners
Lentspace, Manhattan
Brad Lander – New York City Council Member
Holding Patterns, Design Competition, Seattle with 13 finalists
Highway 101 Urban Farm (aka Hayes Valley Farm) – San Francisco [SF Streets Blog]
Hayes Valley Farm – History
San Francisco Office of Economic and Workforce Development
Boston Redevelopment Authority
Jeffrey Holmes – Woods Bagot
‘Icebergs NYC’ – Woods Bagot
Squared Design Lab
Blaine Merker – Rebar [MLA Berkerley]