| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 02/12/2015 | 28 | House Transportation | |
| 02/13/2015 | 29 | House Transportation | |
| 02/19/2015 | 33 | House Transportation | |
| 03/12/2015 | 45 | Senate Transportation | |
| 03/19/2015 | 50 | Senate Transportation | |
| 03/19/2015 | 50 | Senate Transportation | |
| 04/06/2015 | 61 | Conference Committee | |
| 04/07/2015 | 62 | Conference Committee |