In the 1950s, the steam locomotive was replaced by the less noisy electric run train.

[3] Sandefjord Station originally had three railway tracks when established in 1881.

It also had a side-track which led to National Industri, later known as Corneliussen mekaniske verksted.

Goods from industry made up a large amount of the station's original traffic.

Passenger traffic increased largely during summers due to tourism.