Long Island Rail Road
Port Jefferson Branch LIRR — Delays & Status
North Shore branch serving Huntington, Smithtown, Stony Brook, and Port Jefferson commuters.
Active Port Jefferson Branch Alerts
Planned & Upcoming
Advisories about planned or possible future disruptions (incl. strike contingencies). Service is not affected by these right now.
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
LIRR train service may shut down 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
Port Jefferson Branch Stations
Key stops on the Port Jefferson Branch, running Penn Station to Port Jefferson (95 min, terminating at Port Jefferson):
- Hicksville
- Syosset
- Cold Spring Harbor
- Huntington
- Greenlawn
- Northport
- Kings Park
- Smithtown
- St. James
- Stony Brook
- Port Jefferson
Port Jefferson Branch Commuter Guide
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:
Port Jefferson Branch FAQ
Is the Port Jefferson Branch running today?
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.
Are there Port Jefferson Branch delays today?
Yes — the Port Jefferson Branch has 1 active alert in the latest MTA service feed (updated Jun 30, 8:32 PM). The current alerts are listed above. For minute-by-minute departures, check the MTA TrainTime app.
What is the Port Jefferson Branch LIRR status right now?
The Port Jefferson Branch is showing 1 active service alert. Long Island Traffic refreshes the MTA GTFS-realtime feed continuously; this page was last built Jun 30, 8:32 PM.
How long is the Port Jefferson Branch trip to Manhattan?
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.
What are the main Port Jefferson Branch stations?
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.
What roads can I drive instead of the Port Jefferson Branch?
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.
All LIRR Branches
Port Jefferson Riders Are Saying LIVE FROM X
Recent social posts mentioning the Port Jefferson Branch. Posts link to their authors; not verified by Long Island Traffic.