DDOT released information on the construction phases for the Met Branch Trail extension from Brookland to Fort Totten. This information may change over the course of the project. For up-to-date information, visit the project website at https://www.metbranchtrail-forttotten.com

From the website:

Metropolitan Branch Trail Projected Design and Construction Schedules

Phase A – John McCormack to Bates Road
Design – October 2017 to July 2018
Construction – July 2018 to September 2018

Phase B – Gallatin Street to First Place
Design – October 2017 to October 2018
Construction – October 2018 to December 2019

Phases C and D – First Place to Bates Road
Design – October 2017 to December 2018
Construction – December 2018 to January 2020

Actual schedule of completion for each phase will vary based upon several factors including, but not limited to weather conditions, size and degree of difficulty of the area, material and contractor availability, crew sizes, and complexity of the changes that may be inevitable after construction has already begun.