The following provide updates on the progress of the study through completion in August 2020.

**Newsletters:**

**Monthly Updates:**

- CDOT Progress Report 1 – September 2018 (PDF)
- CDOT Progress Report 2 – October 2018 (PDF)
- CDOT Progress Report 3 – November 2018 (PDF)
- CDOT Progress Report 4 – December 2018 (PDF)
- CDOT Progress Report 5 – January 2019 (PDF)
- CDOT Progress Report 6 – February 2019 (PDF)
- CDOT Progress Report 7 – March 2019 (PDF)
- CDOT Progress Report 8 – April 2019 (PDF)
- CDOT Progress Report 9 – May 2019 (PDF)
- CDOT Progress Report 10 – June 2019 (PDF)
- CDOT Progress Report 11 – July 2019 (PDF)
- CDOT Progress Report 12 – August 2019 (PDF)
- CDOT Progress Report 13 – September 2019 (PDF)
- CDOT Progress Report 14 – October 2019 (PDF)
- CDOT Progress Report 15 – November 2019 (PDF)
- CDOT Progress Report 16 – December 2019 (PDF)
- CDOT Progress Report 17 – January 2020 (PDF)
- CDOT Progress Report 18 – February 2020 (PDF)
- CDOT Progress Report 19 – March 2020 (PDF)
- CDOT Progress Report 20 – April 2020 (PDF)
- CDOT Progress Report 21 – May 2020 (PDF)
- CDOT Progress Report 22 – June 2020 (PDF)