NTSB Safety Recommendation R-07-29

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                   NTSB SAFETY RECOMMENDATION
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National Transportation Safety Board
Washington, DC 20594

November 26, 2007

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The National Transportation Safety Board makes the following safety
recommendation to the Norfolk Southern Railway Company:

Modify your initial and recurrent training and operating rules to
emphasize to your employees and the crews of other railroads operating
on your territory that any signal that appears to display extra lighted
aspects in a signal head should be treated as an imperfectly displayed
signal. (R-07-29)

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http://www.ntsb.gov/recs/letters/2007/R07_29.pdf

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