| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/29/2015 | 18 | House Transportation | |
| 02/05/2015 | 23 | House Transportation | |
| 02/06/2015 | 24 | House Transportation | |
| 02/11/2015 | 27 | House Appropriations | |
| 02/17/2015 | 31 | House Appropriations | |
| 03/12/2015 | 45 | Senate Transportation | |
| 03/19/2015 | 50 | Senate Transportation | |
| 03/27/2015 | 56 | Senate Appropriations | |
| 04/02/2015 | 60 | Senate Appropriations | |
| 04/06/2015 | 61 | Senate Appropriations | |
| 04/06/2015 | 61 | Senate Appropriations | |
| 04/15/2015 | 68 | Conference Committee |