| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/23/2015 | 14 | Senate Transportation | |
| 02/05/2015 | 23 | Senate Transportation | |
| 02/12/2015 | 28 | Senate Appropriations | |
| 03/06/2015 | 41 | House Transportation | |
| 03/20/2015 | 51 | House Transportation |