Construction of the first part of the Höllentalbahn from Freiburg to Neustadt began in 1882 and the line was opened by the Grand Duchy of Baden State Railways (Großherzoglich Badische Staatseisenbahnen) on 21 May 1887 [REF].
The Höllentalbahn was electrified from Freiburg to Neustadt in the 1930s.