Railway director Carl Abraham Pihl, who was demanded in 1857 by a Royal Decree to instruct a terrain investigation of the area along the river Drammenselva from Drammen to Randsfjorden, proposed a rail line from Randsfjorden with a branch line to Hen.
On 11 June 1857, railway director Carl Abraham Pihl was demanded by a Royal Decree to instruct a terrain investigation of the area along the river Drammenselva from Drammen to Randsfjorden. Pihl thereupon proposed a rail line from Randsfjorden with a branch line to Hen. 
