In addition to intercity services to Oslo and Stavanger, the eight daily trains in each direction serve as a commuter link to Kristiansand, located forty minutes away.
The station was opened on 17 December 1943 as part of the segment of the Sørlandet Line between Kristiasand and Sira.
Audnedal Station was built during the Second World War under the German-administrated expansion of the Sørlandet Line west of Kristiansand.
The station building was completed in 1942 after designs by Gudmund Hoel and Bjarne F. Baastad at NSB Arkitektkontor.
Irregular revenue traffic commenced on the line on 17 December 1943 and the station became operative from the same day.
Electric traction was introduced on 18 February 1944, ahead of ordinary traffic commencing on 1 March 1944.
[2] An interlocking system became operational on 17 July 1969, allowing the station to become remotely controlled from 19 August 1969.
[2] Today the station building features a waiting room and a washroom, open around the clock except from 21:00 on Saturday to 07:00 on Sunday.
[5] The catchment area of Audnedal Station incorporates the municipalities of Lyngdal, Åseral, and Lindesnes.
[9] The short platforms have caused the Norwegian Railway Authority to demand that they be lengthened to 220 meters (720 ft) and heightened to 76 centimeters (30 in) by 2019, or the station closed.