On its first full day of service, the line served 82,000 passengers.
Such a system, the study said, could serve 20,000 passengers a day.
The new systems are meant to serve 45 million passengers a year.
In its final year of use, it served only 600 passengers per day.
By 2007, it was serving 30 million passengers a year.
The station was built in 1926, but only served passengers until the mid-1950s.
In 2002, the station served between 2,500 and 7,500 passengers per day.
Service is planned to begin by middle of 2016 and to serve 70,000 passengers per day in 2021.
Per year the station serves more than 8 million passengers.
This is their chance to tell us how train services can better serve passengers.