Lirr-schedule-ronkonkoma -

Frequent track work (such as switch and signal upgrades) often reduces service to every two hours , with some trains terminating early at Deer Park and requiring bus bridges to Ronkonkoma.

The Long Island Rail Road (LIRR) Ronkonkoma Branch is one of the busiest lines in the system, recently benefitting from major infrastructure improvements like the and Mid-Suffolk Yard . Standard Service Overview lirr-schedule-ronkonkoma

Service is split between New York Penn Station and Grand Central Madison . During off-peak hours, trains usually alternate between these two terminals, providing hourly direct service to each; passengers can transfer at Jamaica Station for the other terminal. Frequent track work (such as switch and signal

Trains typically run every 30 minutes between Ronkonkoma and Manhattan. During off-peak hours

Most peak trains stop at major hubs including Brentwood , Deer Park , Farmingdale , Hicksville , Mineola , and Jamaica . Service East of Ronkonkoma (Greenport) Service beyond Ronkonkoma to Greenport is more limited: Weekdays: Typically four roundtrips. Weekends: Generally two roundtrips.