 Thus on 9 May 1943 operations stopped and the tracks were dismantled immediately—iron and copper were sought-after raw materials in the war years and the company needed the additional income.Niederbipp became a terminal station for the LJB and the SNB, with a remnant of the line used as a siding.The 40-year cooperation between the Langenthal-Jura Railway and the LMB was eventually followed by a legal merger