| Project Scoping | Fall/Winter 2017 |
| Public Scoping Meeting | November 2017 |
| Develop Purpose and Need | Spring 2018 |
| Public Meeting | May 2018 |
| Develop Range of Corridor Alternatives | Fall/Winter 2018/2019 |
| Identify Preliminary Corridor Alternatives Retained for Analysis (CARA) | Spring/Summer 2019 |
| Open House Meeting | Fall 2019 |
| Identify and Analyze CARA | Winter 2019/2020 – Summer 2020 |
| Identify MDTA’s Recommended Preferred Corridor Alternative / Publish Tier 1 Draft Environmental Impact Statement (DEIS) | Winter 2020 – Spring 2021 |
| Public Hearing | April 2021 |
| Publish Combined Tier 1 Final Environmental Impact Statement (FEIS)/ Record of Decision (ROD) | April 2022 |
