 On February 12, 2019, the DART board approved construction of a second track along the entire length of the line, which is anticipated to reduce wait times between commuter trains, avert delays during construction and maintenance, and better accommodate freight trains using the line.This design change is projected to cost $109 million, raising the design-build contract to its maximum allowable price of $923 million.On June 24, 2019, DART announced that the line would be named the Silver Line.