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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Office Safety Checker for Moving Block Train Control Systems

Document Series
Research Results
Federal Railroad Administration
Report Number
RR 23-04
Subject Communications, Train Control
Quasi-Moving Block (QMB), Full-Moving Block (FMB), Positive Train Control (PTC)

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Last updated: Friday, May 12, 2023