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Dominion Energy outlines investigation after repeated Manassas Park railroad crossing-arm failures
Summary
Dominion Energy told the Manassas Park City Council its engineers are modeling stray-voltage interactions with a nearby transmission line after crossing arms repeatedly failed. Dominion and Norfolk Southern collected concurrent rail and power-line measurements; staff said a consultant report is expected within a week.
Dominion Energy engineers told the Manassas Park City Council that a rising stray-voltage issue appears correlated with recent failures of the railroad crossing arms at the Manassas Drive crossing and that the utility is modeling potential mitigation steps.
Calvin O’Dell, the city’s director of community development, framed the problem for the council, saying Norfolk Southern technicians told city staff they had been tracking stray voltage at the crossing for nearly 15 years and reported the magnitude of those readings recently increased. “We were also lucky enough because Dominion is doing their transmission line upgrades…
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