| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 02/01/2007 | 22 | Senate Transportation | |
| 02/13/2007 | 30 | Senate Appropriations | |
| 02/13/2007 | 30 | Senate Transportation | |
| 03/01/2007 | 39 | House Transportation | |
| 03/02/2007 | 40 | House Transportation | |
| 03/08/2007 | 44 | House Transportation |