The first bore was completed in 1975 with total length of 6,401 metres.
The line was opened on October 29, 1901 with a length of 1,152 metres.
It was built between 1913 and 1917, originally to a length of 1107 metres.
The 49er's name comes from its hull length of 4.99 metres.
The end result, however, was that the track had an abnormal length of 446.38 metres.
In 1928 the pier was extended to its present length of 512 metres.
At present, trains are limited to a length of 750 metres.
The three platforms in use have a length of 171 metres.
It was identical to the original building and had a length of 19 metres.
It has an average total length of 1.5 to 2 metres.
