In addition the route of the line was controversial. Some called for a line through the Bözberg Pass, which was the route of the Bözberg line opened in 1875. Although the Aargau parliament passed a law permitting compulsory purchase in November 1840, several shareholders lost their financial guarantees, and the company had to be dissolved in December 1841. In May 1843 representatives of the cantons of Aargau, Zurich and Basle met in the Baden City Hall, but they failed to come to any agreement.