Complex sentence: For a continuation after Hergiswil with connection to the SBB Brünigbahn in 1956, a concession was passed, which could not be accomplished by the StEB however due to its financial difficulties.
Split into simpler sentences: For a continuation after Hergiswil with connection to the SBB Brünigbahn in 1956, a concession was passed. However, it could not be accomplished by the StEB due to its financial difficulties.