The scene at Penn Station for the Friday commute as...

The scene at Penn Station for the Friday commute as three LIRR lines faced major delays  Credit: Louis Lanzano

The Long Island Rail Road said in a tweet just after 7:30 p.m. that its trains are "operating on or close to schedule" after hours of delays and cancellations following a switch problem near Mineola.

Service on the Huntington/Port Jefferson, Ronkonkoma and Oyster Bay branches was completely suspended in both directions after the switch problem first emerged at about 4:30 p.m., according to the railroad.

Crews resolved the switch trouble within about a half hour, the LIRR said. Service was partially restored, but several eastbound and westbound trains were canceled afterward, and residual delays continued, the agency said.

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