Yellow Line service affected by track vehicle derailment, Metro says
Crews had been working on the Yellow Line to improve it over the course of the weekend.
Reports & sources
FOX 5 DC
Metro Yellow Line delays after track vehicle derailment (opens FOX 5 DC)FOX 5 DC's feed description
DC News Now
Yellow Line service affected by track vehicle derailment, Metro says (opens DC News Now)DC News Now's feed description