| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/20/2011 | 12 | House Transportation | |
| 01/27/2011 | 17 | House Transportation | |
| 02/03/2011 | 22 | House Transportation | |
| 03/25/2011 | 54 | Senate Transportation | |
| 04/01/2011 | 59 | Senate Transportation |