| Senate | 05/10/2021 | Approved by Governor 05/10/2021 | ||
| Senate | 05/05/2021 | Sent to Governor | ||
| House | 05/05/2021 | Signed, returned to Senate | ||
| Senate | 05/05/2021 | Enrolled, to House | ||
| Senate | 05/04/2021 | Referred for enrollment | ||
| Senate | 05/04/2021 | Measure passed: Ayes: 43 Nays: 1 | ||
| Senate | 05/04/2021 | HAs adopted | ||
| Senate | 04/22/2021 | HAs read | ||
| House | 04/22/2021 | Engrossed, signed, to Senate | ||
| House | 04/21/2021 | Third Reading, Measure passed: Ayes: 87 Nays: 0 | ||
| House | 04/21/2021 | General Order | ||
| House | 04/21/2021 | Referred for engrossment | ||
| House | 03/25/2021 | CR; Do Pass, amended by committee substitute Transportation Committee | ||
| House | 03/22/2021 | Second Reading referred to Transportation | ||
| Senate | 03/10/2021 | Engrossed to House | ||
| House | 03/10/2021 | First Reading | ||
| Senate | 03/09/2021 | Measure passed: Ayes: 44 Nays: 0 | ||
| Senate | 03/09/2021 | General Order, Considered | ||
| Senate | 03/03/2021 | Reported Do Pass, amended by committee substitute Appropriations committee; CR filed | ||
| Senate | 02/23/2021 | Referred to Appropriations | ||
| Senate | 02/23/2021 | Reported Do Pass Transportation committee; CR filed | ||
| Senate | 02/18/2021 | Coauthored by Representative Frix (principal House author) | ||
| Senate | 02/02/2021 | Second Reading referred to Transportation Committee then to Appropriations Committee | ||
| Senate | 02/01/2021 | Authored by Senator Bergstrom |