Metro knew about track problem in July that caused train derailment

Name: Metro knew about track problem in July that caused train derailment
Uploaded: 2015-08-13T02:00:00+00:00
Duration: 2 min 4 s
Description: Metro has revealed what caused a non-passenger train to derail last week near the Smithsonian station. FOX 5's Marina Marraco has the details.

Metro has revealed what caused a non-passenger train to derail last week near the Smithsonian station. FOX 5's Marina Marraco has the details.

Posted August 13, 2015 12:21am EDT