| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 02/03/2011 | 22 | Senate Transportation | |
| 02/11/2011 | 28 | Senate Appropriations | |
| 03/03/2011 | House Transportation | ||
| 03/24/2011 | 53 | House Transportation | |
| 03/30/2011 | 57 | House Appropriations | |
| 04/04/2011 | 60 | House Appropriations | |
| 04/12/2011 | 66 | Conference Committee |