| A | Amendment | M | Marked Up | |
| E | Engrossment | $ | Fiscal Note | |
| HJ | House Journal | SJ | Senate Journal |
| Date | Day | Committee | |
|---|---|---|---|
| 01/22/2015 | 13 | Senate Transportation | |
| 03/12/2015 | 45 | House Transportation | |
| 03/13/2015 | 46 | House Transportation | |
| 03/13/2015 | 46 | House Transportation | |
| 04/01/2015 | 59 | House Appropriations | |
| 04/07/2015 | 62 | House Appropriations |