| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/27/2011 | 17 | House Transportation | |
| 02/04/2011 | 23 | House Transportation | |
| 03/04/2011 | 39 | Senate Transportation | |
| 03/11/2011 | 44 | Senate Transportation | |
| 03/17/2011 | 48 | Senate Transportation | |
| 03/25/2011 | 54 | Senate Transportation |