March 20, 2017:
A Request for Qualifications is issued.
September 13, 2017:
Three proponents are announced to have qualified in the Request for Qualifications (RFQ) process.
December 5, 2017:
A Request for Proposals is issued to the three proponents that were selected through the Request for Qualifications process.
October 26, 2018:
An environmental assessment is completed. The regulatory and permitting phase begins.
November 13, 2018:
The GNWT announces a preferred proponent.
November 30, 2021:
The new Tłı̨chǫ Highway opens to the public.