▁In ▁ 1 8 9 8 , ▁the ▁Bus en bach – It ters bach ▁and ▁the ▁Alb ▁Valley ▁lines ▁were ▁taken ▁over ▁by ▁the ▁Bad ische ▁L okal - E isen bah nen ▁Akt ien gesellschaft ▁( B aden ▁Local ▁Railway ▁Company , ▁B LE AG ), ▁a ▁newly ▁formed ▁subs idi ary ▁of ▁the ▁West deutsch e ▁Eisen bahn - G es ellschaft ▁( West ▁German ▁Railway ▁Company , ▁We EG ). ▁ ▁In ▁ 1 9 1 1 , ▁the ▁line ▁from ▁Bus en bach ▁to ▁It ters bach ▁was ▁elect r ified ▁with ▁single - phase ▁AC ▁at ▁ 8 , 0 0 0 ▁vol ts ▁ 2 5   Hz ▁( l ater ▁increased ▁to ▁ 8 , 8 0 0 ▁vol ts ). ▁Techn ical ▁problems ▁and ▁a ▁lack ▁of ▁thermal ▁coal ▁forced ▁the ▁B LE AG ▁in ▁ 1 9 1 7 ▁to ▁abandon ▁elect rical ▁service ▁on ▁the ▁branch ▁line ▁from ▁Bus en bach ▁and ▁later ▁to ▁remove ▁the ▁overhead ▁w iring . ▁ ▁During ▁the ▁Great ▁De pression , ▁the ▁B LE AG ▁came ▁under ▁pressure ▁and ▁therefore ▁it ▁abandoned ▁the ▁un prof itable ▁operations ▁between ▁Bus en bach ▁and ▁It ters bach ▁in ▁early ▁ 1 9 3 1 . ▁The ▁remaining ▁section ▁to ▁P for z heim , ▁however , ▁was ▁sold ▁to ▁the ▁town ▁of ▁P for z heim , ▁which ▁then ▁operated ▁it ▁as ▁the ▁P for z heim ▁Light ▁Railway . ▁ ▁Only ▁after ▁the ▁take ▁over ▁of ▁the