Long Island Rail Road
North Shore branch serving Huntington, Smithtown, Stony Brook, and Port Jefferson commuters.
No active Port Jefferson Branch alerts are listed in the latest MTA service feed. Always verify final departure times in TrainTime before you leave.
Advisories about planned or possible future disruptions (incl. strike contingencies). Service is not affected by these right now.
Find out more about travel if the strike happens here: https://www.mta.info/lirrstrike Active: Evening, May 15
Find out more about travel if the strike happens here: https://www.mta.info/lirrstrike Active: Evening, May 15
Key stops on the Port Jefferson Branch, running Penn Station to Port Jefferson (95 min, terminating at Port Jefferson):
The Port Jefferson Branch serves Huntington, Smithtown, Stony Brook, Port Jefferson, Northport and nearby Long Island communities. When train service is delayed or suspended, commuters often compare the LIRR against the parallel roads. These are the Port Jefferson Branch driving alternatives with live conditions on Long Island Traffic:
Yes, for now — but a strike has been flagged as possible. MTA states: "LIRR train service may be suspended by 12am Saturday because of a possible strike. If you're traveling Friday night, complete your trip before midnight. [10, 12, 13, 1, 2, 3, 4, 5, 6, 7, 8, 9] Find out more about travel if the strike happens here: https://www.mta.info/lirrstrike Active: Evening, May 15". Complete essential travel before any deadline and have a driving backup ready.
No major Port Jefferson Branch delays are listed in the latest MTA service feed (updated Jun 22, 4:04 AM). Service conditions change quickly — confirm your specific train in the MTA TrainTime app before leaving.
The Port Jefferson Branch is operating without major reported alerts as of Jun 22, 4:04 AM. This page reads directly from the MTA GTFS-realtime service feed.
A typical Port Jefferson Branch trip (Penn Station to Port Jefferson) runs about 95 min. Peak fare is $18.75 one-way; off-peak is $13.25. Actual times vary by departure, transfer at Jamaica, and whether your train is a direct Penn Station or Grand Central run.
Key Port Jefferson Branch stops include Hicksville, Syosset, Cold Spring Harbor, Huntington, Greenlawn, Northport, Kings Park, Smithtown, St. James, Stony Brook, Port Jefferson. The branch terminates at Port Jefferson.
When the Port Jefferson Branch is delayed or suspended, Port Jefferson Branch commuters most often drive Northern State Parkway, Route 25A, Long Island Expressway — though each carries its own rush-hour congestion. Check live road conditions before switching from rail to car.
Recent social posts mentioning the Port Jefferson Branch. Posts link to their authors; not verified by Long Island Traffic.