Work on LIRR projects will cause service disruptions this weekend, the railroad said.

Buses will replace Montauk Branch trains between Babylon and Speonk from 12:05 a.m. Saturday until 1:46 a.m. Monday during trackwork. Riders should plan for up to 37 minutes additional travel time.

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Babylon Branch service will be reduced from half-hourly to hourly Saturday and Sunday to accommodate switch replacement work in Freeport.

Eastbound train service at Forest Hills and Kew Gardens will be reduced from half-hourly to hourly both weekend days.

For details, riders can pick up a copy of the individual timetables.