The Long Island Rail Road said buses will replace trains during the next two weekends on a section of the Ronkonkoma Branch.

The buses will operate between Hicksville and Ronkonkoma from 12:50 a.m. Saturday through 12:46 a.m. Monday, the railroad said.

“This work will further advance the double track project,” which will add a second track between Ronkonkoma and Farmingdale, the LIRR said in a statement.

The railroad said it will be installing a new crossover east of the Farmingdale platform, as well as performing track work along the entire corridor.

For motorists, there could be temporary road closures of up to an hour at Long Island Avenue between 30th Street and 29th Street in Wyandanch, and at Carlls Straight Path.

The LIRR said its personnel would be on scene to help with traffic.

For more details, riders can check special weekend timetables at www.mta.info/lirr.

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