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silver line concrete

Credit: WTOP/Amanda Iacone

New details on Silver Line concrete, software issues that could contribute to opening delay

No fix yet for Silver Line concrete ties, test trains expanding

Company settles federal suit over Silver Line concrete tests

Man who admitted faking records in faulty Silver Line concrete case sentenced to prison

Tests: Silver Line concrete problem may not be as bad as feared

Silver Line extension to Dulles awaiting test results on concrete issue