Today's Bundesstraße 465 is formed from three former
Württemberg state roads:
The northern stretch to
Römerstein was part of Württemberg state road no. 45, led from
Plochingen over Kirchheim (Teck) and
Blaubeuren to
Ulm.
The middle stretch from
Bad Urach was part of Württemberg state road 43 , and led from
Stuttgart over Urach,
Münsingen and
Ehingen to
Biberach an der Riss. This road was according to the Description of the Oberamt Ehingen created in 1810.
The southern part led as Württemberg state road 54. from the railway station in Unteressendorf to
Bad Wurzach and Leutkirch im Allgäu and finally to
Isny.
The Bundesstraße 465 was established in the early
1960s.
The Bundesstraße 465 passes the following municipalities