Metro North will run on a Saturday schedule, with additional trains at rush hour.
Trains run once an hour off-peak, with extra trains in the peaks.
Since 2004, Whizzer has been running with trains 3, 4 and 5.
The service takes 33 minutes and runs hourly with extra trains during peak commuting periods and on Saturdays.
The train normally runs every hour from both New York and Washington, with regular trains on the half-hour.
It is likely that the Britmart-Onehunga services will be the first to be run with electric trains.
Trains run approximately hourly in each direction during the day, with additional trains during morning and evening rush hours.
The third route forms the second Main Line run by the company, with faster trains available from the next stations east and west.
It ran thrice weekly, with extra trains at peak periods.
Initially eight trains ran daily, covering the line in 50 minutes, with certain trains terminating at Cranleigh.