On the second day of hearings before the National Transportation Safety BoarNTSB, a parts manufacturer testified that mixing different types of signal equipment might have contributed to Metrorail’s fatal accident last June.
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Susan Bregman is editor of The Transit Wire. She has been a consultant on transit policy and planning for fifteen years and before that worked for the Boston Transportation Department. In 2004 she founded Oak Square Resources, LLC, which focuses on transit research, policy, and social media.
Contact Susan at editor@ thetransitwire.com or follow @OakSquareSusan on Twitter.
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