Table 31,,,,,
Wetlands Impacted and Mitigated Under the Federal-Aid Highway Program,,,,,
,2000,2001,2002,2003,2004
Acres impacted,"2,041","1,905","1,942","1,278",847
Acres mitigated,"7,671","4,017","5,198","3,431","1,763"
Acres gained (net),"5,630","2,112","3,256","2,153",916
Mitigation ratio,3.8:1 ,2.1:1,2.7:1,2.7:1 ,2.1:1
"Notes: These data cover wetlands acreage affected by Federal-Aid Highway projects, approximately 24% of the total mileage of the U.S. public roads. These data are collected by states using varying collection methodologies. The mitigation ratio equals acres mitigated to acres impacted.",,,,,
"Source: U.S. Department of Transportation, Federal Highway Administration, Federal Highway Administration Wetland Mitigation Performance Measure for Federal-Aid Highway Projects Fiscal Year (FY) 2004, available at http://www.fhwa.dot.gov/environment/perform/wetrpt04.htm, as of October 2005.",,,,,