| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 02/01/2007 | 22 | House Transportation | |
| 02/08/2007 | 27 | House Transportation | |
| 02/23/2007 | 35 | Senate Transportation | |
| 03/01/2007 | 39 | Senate Transportation | |
| 04/13/2007 | 70 | Conference Committee | |
| 04/19/2007 | 74 | Conference Committee |