| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/08/2015 | 3 | Senate Transportation | |
| 01/09/2015 | 4 | Senate Transportation | |
| 03/05/2015 | 40 | House Transportation | |
| 03/19/2015 | 50 | House Transportation | |
| 03/20/2015 | 51 | House Transportation | |
| 04/02/2015 | 60 | Conference Committee | |
| 04/07/2015 | 62 | Conference Committee |