The Long Island Rail Road experienced temporary westbound delays averaging 10 to 15 minutes on three lines because of weather-related signal trouble.
The railroad said just before 8 a.m. Tuesday that trains were delayed on the Ronkonkoma, Port Jefferson and Oyster Bay branches.
The delays had mostly cleared about an hour and a half later, with just one train on the Ronkonkoma line still delayed by earlier signal trouble, the LIRR said at about 9:20 a.m.
The Montauk Branch, where buses replace midday trains for planned work, had scattered delays early Tuesday.
Suffolk County was under a winter storm warning through Tuesday evening, the National Weather Service said, and Nassau was under a winter weather advisory.
The third nor’easter to hit Long Island in two weeks was expected to dump 9 to 12 inches of snow on the Twin Forks, with potential to be locally higher, the National Weather Service said. The rest of Suffolk could see 5 to 9 inches, with Nassau looking at 3 to 6, with amounts diminishing to the west.
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