During the course of the 1960s, the number of passengers dwindled due to the increase in private motor vehicles and in 1975 a closure of the line was discussed for the first time.

The BEG extended the Bayerische Regiobahn contract under a transitional contract, Dieselnetz Augsburg II (Augsburg II diesel network), including the operation on the Paar Valley Railway for the period from December 2019 to December 2021.

[5] Since the timetable change in 2009, the route has been operated with LINT 41 diesel railcars, before that it was worked by DBAG Class 642 multiples.

However, during the week a short, northern section of the line from Ingolstadt is served by a transhipment train from Railion, because a haulage company is based in Karlskron-Probfeld, which runs a large car storage operation.

In addition from August 2002 the line was sometimes worked by oil trains from Ingolstadt to Kempten (Allgäu) hauled by engines from the Augsburg Localbahn.

The sawmill of Anton Heggenstaller based in Unterbernbach has refurbished its siding and loading area, so that regular wood trains from the Augsburg Localbahn and other private railway companies, like the OHE may be seen.