6-3 Wetlands Impacted and Mitigated Under the Federal-Aid Highway Program: 2000-2006
Tuesday, December 27, 2011
6-3 Wetlands Impacted and Mitigated Under the Federal-Aid Highway Program: 2000-2006
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | |
|---|---|---|---|---|---|---|---|
| Acres | |||||||
| Impacted | 2,041 | 1,905 | 1,942 | 1,278 | 847 | 1,139 | 591 |
| Mitigated | 7,671 | 4,017 | 5,198 | 3,431 | 1,763 | 3,741 | 1,414 |
| Gained (net) | 5,630 | 2,112 | 3,256 | 2,153 | 916 | R2,602 | 823 |
| Mitigation ratio | 3.8:1 | 2.1:1 | 2.7:1 | 2.7:1 | 2.1:1 | 3.3:1 | 2.4:1 |
Key: R = revised
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, Federal Highway Administration, Federal Highway Administration Wetland Mitigation Performance Measure for Federal-Aid Highway Projects Fiscal Year (FY) 2004, available at http://fhwa.dot.gov/environment/perform/wetrpt04.htm. 2005-2006 - USDOT, FHWA, personal communication, August 2007.