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Dallas Area Rapid Transit (DART) yesterday announced the agency reached 20 percent completion of the preliminary design for the D2 Subway, a proposed second light-rail alignment through the Dallas Central Business District.
DART now is preparing a supplemental draft environment impact statement (EIS) to access potential impacts and benefits of the project.
The preliminary design and supplemental draft EIS will be published later this spring for a 45-day public review period, according to the agency's project newsletter.
To advance the project through the Federal Transit Administration’s (FTA) Capital Investment Grant program, DART must request entry into the program’s engineering phases and complete 30 percent of design and the final EIS, among other steps.
Once the FTA approves the project into the engineering phase, DART will advance the project through design and construction.
The project is expected to enter revenue service in 2025.