| Decade/Year |
1970s |
1980s |
1990s |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
Avg. Time to Completion
(years) |
2.4 |
4.4 |
5 |
5.7 |
5.6 |
5.5 |
5.3 |
6.5 |
6.35 |
5.25 |
5.42 |
Sources: FHWA sponsored NEPA Baseline Study, January, 2001, by Louis Berger Group for the 1970, 1980, 1990 decades: Average time is from project initiation to signing of Final Environmental Impact Study. FHWA records for the years 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005: Average time is from the signing of the Notice of Intent to the signing of the Record of Decision.
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