 The commuter rail system was introduced from 1 January 1992 , after an agreement between NSB , Rogaland County Municipality and the six municipalities along the line . NSB introduced new Class 69 multiple units , while the county municipality introduced a fare coordination with the corresponding bus services . The increase in service involved 15 departures per direction per day , and the travel time from Stavanger to Egersund was reduced from 80 to 55 minutes . In addition , NSB started with a half @-@ hour headway between Stavanger and Sandnes . A new station , Sandnes Sentrum , was opened in the city center of Sandnes at the time the new service started . NSB stated that the goal was to increase the daily ridership from 2 @,@ 900 to 5 @,@ 000 passengers by 1994 . The stations were also upgraded , including new sheds . The <unk> train radio system was installed between 1993 and 1996 . 
