Transit officials say Hudson line service will be limited at the start of the work week due to the fatal train derailment in the Bronx.
But Connecticut commuters on the New Haven line and riders on the Harlem line can expect regular schedules to New York City.
The Metropolitan Transportation Authority, which runs Metro-North, said Monday that riders should expect delays and crowded conditions.
Four people were killed and scores were injured in the Sunday morning accident.
Limited southbound service will operate between the Poughkeepsie and Yonkers stations only and connect with shuttle bus service to Van Cortlandt Park-242nd Street.
For northbound service between Yonkers and Poughkeepsie stations only, customers should take the shuttle from Grand Central to Times Square.
Bus service will operate to Yonkers station and connect with limited train service to Poughkeepsie.
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