F and G train service was partially suspended Tuesday night after a power outage shut down signal power to a portion of the Culver line in central and south Brooklyn.
Service on the G train was suspended between the Bedford-Nostrand Ave. station and the southern terminal at Church Ave.
F train service was suspended between Jay St – MetroTech and Church Ave., though F train service south of Church Ave. was running.
Straphangers were advised to take the B103 bus.
It was not immediately clear how many trains were on that section of track when the power went down.
The outage came just an hour before polls closed in New York’s Democratic primary.
An MTA spokesperson said the outage was only affecting the signaling system. Third rail power was still functional, and no passengers were stranded by the outage.
A transit source told the Daily News crews were in the process of using generators to restore signal power — which is low-voltage compared to third rail power.
Gov. Hochul Tuesday said her office had been monitoring the electrical grid due to the extreme heat. She warned New Yorkers that electrical utilities were “approaching peak capacity in the downstate region.”
It was not immediately clear if the subway signal outage was related to the heat. A spokesman for ConEd, the utility responsible for providing the system’s electrical power, did not immediately respond to a request for comment.
A seemingly separate signaling incident in Manhattan waylaid N, Q, R and W trains Tuesday night.
N and W trains were not operating in Manhattan and Q and R trains were re-routed along the Sixth Ave. line after MTA reported a signal problem somewhere between Times Sq. and the Lexington Ave – 59th St. station.
It was not immediately clear if that outage was power or heat related.
The outage came just an hour before polls closed in New York’s Democratic primary.
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