All through 2016 and 2017 Morcom continued to work in the "Silver Line" extension of the Washington D.C. Metrorail system. This 11.4-mile Phase 2 extension of the Silver Line from Reston through Dulles International Airport to Ashburn will include six rail stations; nine entrance pavilions and pedestrian bridges; aerial guideways through Dulles Airport; and 89,000 feet of track.

Morcom is providing the wireless connectivity for the buildings located in the new Metro Dulles Yard. These will cover the WMATA 400MHz UHF and the public safety 800MHz bands.

Morcom has also provided extensive electrical installation services for the Traction Power Sub Station (TPSS) and supplied the high power electrical switch gear and transformers for this job.