The Württembergische Eisenbahn-Gesellschaft ("Württemberg Railway Company") or WEG is a transport company in southwest Germany that operates railway lines and services.

[1] Historically, WEG also operated bus services in the area of its rail services, and WEG branded buses still operate in these areas.

[2] WEG provides passenger train services on the following railway lines:[3] WEG owns and maintains the infrastructure of the Strohgäubahn and the Tälesbahn, whilst on the Schönbuchbahn and Wieslauftalbahn it maintains the infrastructure and operates the trains on behalf of the Zweckverband Schönbuchbahn and the Zweckverbandes Verkehrsverband Wieslauftalbahn respectively.

Additionally, the WEG provides infrastructure maintenance services on the Roßbergbahn and the Schwäbische-Wald-Bahn, although it neither owns nor operates trains on these lines.

[6] The RS1 units are used on all of WEG's lines, with 6 allocated to the Schönbuchbahn, 4 to the Tälesbahn, 2 to the Strohgäubahn and 2 to the Wieslauftalbahn.