It served over 20 domestic airports and carried over 5 million people annually.
It is the ninth busiest line on the network, carrying over 111 million passengers annually.
The line currently carries about 20,000 people annually, and the profits are reinvested into the railroad.
The ferries carry about 100,000 passengers and 40,000 vehicles annually.
Carrying under 700,000 annually in its early years, passenger figures grew to 21.4 million in 2003.
From 1971 until 1979 it operated every summer through to the Easter holiday period, and carried over 30,000 people annually.
The railway opened in 1991 and, as of 2002, carried over 16,000 passengers annually.
American Eagle carries in excess of 19 million customers annually.
The airport employs approximately 19,000 people and annually carries around 21 million passengers a year - over double its nearest rival.
By 1900 45 trains in each direction were carrying over one million passengers annually.