Beginning at 5 a.m. Monday, shuttle buses will be provided between Yonkers Metro-North Station and the 242nd Street station on the 1 train subway line until further notice, the MTA said.
Two additional 1 trains per hour will run during peak periods to handle extra passengers.
Hudson Line Metro-North tickets will be honored along the Harlem Line, the MTA said. Additional parking would be provided at the Southeast station and at the Kensico Dam near the Valhalla station.
Shuttle buses will take commuters from the Tarrytown Metro-North Station to the White Plains Station on the Harlem Line until 2 a.m. Monday.
The MTA urged commuters who do not need to travel to work from home as the trains are expected to be crowded.