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Table 6-3
Wetlands Impacted and Mitigated Under the Federal-Aid Highway
Program
Excel | CSV
| Acres impacted |
2,041 |
1,905 |
1,942 |
1,278 |
847 |
1,139 |
| Acres mitigated |
7,671 |
4,017 |
5,198 |
3,431 |
1,763 |
3,741 |
| Acres gained (net) |
5,630 |
2,112 |
3,256 |
2,153 |
916 |
2,292 |
| Mitigation ratio |
3.8:1 |
2.1:1 |
2.7:1 |
2.7:1 |
2.1:1 |
3.3:1 |
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: 2000-2004- U.S. Department of
Transportation (USDOT), Federal Highway Administration (FHWA), Federal
Highway Administration Wetland Mitigation Performance Measure for Federal-Aid
Highway Projects Fiscal Year 2004, available at http://fhwa.dot.gov/environment/perform/wetrpt04.htm. 2005 - USDOT, FHWA, Personal communication, September 2006.
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