Tamiami Trail bridge project

“This is currently the largest ecosystem restoration in the United States of America,” Secretary Salazar said. “It is also the largest ecosystem restoration project in the world.”  
http://miami.cbslocal.com/2011/10/20/interior-secretary-to-view-bridge-over-tamiami-trail/

Tamiami Trail Project Fact Sheet (July 2011

http://www.evergladesplan.org/docs/fs_tamiami_july_2011.pdf

http://www.saj.usace.army.mil/Divisions/Executive/Branches/CCO/ProjectFactSheets.htm