섀디 그로브 역 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "섀디 그로브 역" in Korean language version.

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greatergreaterwashington.org

  • Matt Johnson (2009년 6월 24일). “A look at Metro's safety systems”. Greater Greater Washington. August 2015에 확인함. It's far too early to speculate on the cause of the collision at this time. However, those familiar with the system already suspect that something went wrong in Metro's signaling system that allowed these trains to approach and collide. 

montgomeryplanning.org

ntsb.gov

web.archive.org

wmata.com