| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/26/2007 | 18 | House Transportation | |
| 02/08/2007 | 27 | House Transportation | |
| 03/15/2007 | 49 | Senate Transportation | |
| 03/16/2007 | 50 | Senate Transportation | |
| 04/03/2007 | 62 | Conference Committee | |
| 04/06/2007 | 65 | Conference Committee | |
| 04/10/2007 | 67 | Conference Committee | |
| 04/11/2007 | 68 | Conference Committee | |
| 04/13/2007 | 70 | Conference Committee |