| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/25/2007 | 17 | Senate Transportation | |
| 01/25/2007 | 17 | Senate Transportation | |
| 01/31/2007 | 21 | Senate Appropriations | |
| 02/23/2007 | 35 | House Transportation | |
| 02/23/2007 | 35 | House Transportation | |
| 03/02/2007 | 40 | House Transportation | |
| 03/02/2007 | 40 | House Transportation | |
| 04/03/2007 | 62 | Conference Committee | |
| 04/05/2007 | 64 | Conference Committee | |
| 04/10/2007 | 67 | Conference Committee | |
| 04/11/2007 | 68 | Conference Committee | |
| 04/19/2007 | 74 | Conference Committee | |
| 04/19/2007 | 74 | Conference Committee |