The company had an initial capital of NOK 140,000 and built the 7.7 km line Bragerøen-Torvet-Landfalløen and Torvet-Tangen.

[2] Drammen trolleybuses used the Schiemann system - two wires were located 15 cm apart (voltage: 550V); the vehicles used a single trolley pole.

[3] The system had since the start had a disadvantage in that only empty buses could cross the City Bridge that connected the two lines.

[4] In 1960 the sale of cars in Norway was deregulated, resulting in an enormous fall in passenger numbers for the trolleybus system.

[citation needed] The operating company was also responsible for the new diesel bus routes, and in 1981 it was merged to create Drammen og Omegn Busslinjer, now part of Nettbuss.