| Year | Quarter | NHCCI Index |
|---|---|---|
| 2003 | March | 1.0000 |
| June | 1.0156 | |
| September | 1.0038 | |
| December | 0.9929 | |
| 2004 | March | 1.0260 |
| June | 1.0638 | |
| September | 1.0849 | |
| December | 1.0910 | |
| 2005 | March | 1.1189 |
| June | 1.1489 | |
| September | 1.2045 | |
| December | 1.2429 | |
| 2006 | March | 1.2727 |
| June | 1.3464 | |
| September | 1.4084 | |
| December | 1.3693 | |
| 2007 | March | 1.3425 |
| June | 1.3118 | |
| September | 1.2691 | |
| December | 1.2363 | |
| 2008 | March | 1.2500 |
| June | 1.2938 | |
| September | 1.3521 | |
| December | 1.2835 | |
| 2009 | March | 1.1818 |
| June | 1.0901 | |
| September | 1.0752 | |
| December | 1.0410 | |
| 2010 | March | 1.0683 |
| June | 1.0671 | |
| September | 1.0595 | |
| December | 1.0520 | |
| 2011 | March | 1.0524 |
| June | 1.0691 | |
| September | 1.0817 | |
| December | 1.0880 | |
| 2012 | March | 1.1147 |
| June | 1.1468 |

1/ Source: Federal Highway Administration, Office of Highway Policy Information, "National Highway Construction Cost Index (NHCCI)"