The press release says that "The connector road to the Sussex region will open to traffic in late 2019, while the connector road to the Alma region will be upgraded by the end of 2020. All road surfacing and other finishing work will be completed and the project concluded in 2021." and "The second phase of the Fundy Trail Parkway, a closed-loop road from St. Martins to McCumber Brook kiosk and back to St. Martins, will be completed and opened in mid-2018 on schedule."
To see the full press release, see Here.