Table 31
Wetlands Impacted and Mitigated Under the Federal-Aid Highway
Program
Excel | CSV
| 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.
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