| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/23/2009 | 14 | Senate Transportation | |
| 01/29/2009 | 18 | Senate Transportation | |
| 02/10/2009 | 26 | Senate Appropriations | |
| 03/05/2009 | 40 | House Transportation | |
| 03/12/2009 | 45 | House Transportation | |
| 04/16/2009 | 66 | Conference Committee | |
| 04/21/2009 | 69 | Conference Committee | |
| 04/23/2009 | 71 | Conference Committee |