Wendlingen-Ulm HSR line and Stuttgart 21, Germany January 1, 2018 | Europe Project Update Key players: Deutsche Bahn (DB) AG is the developer. Project description: Restructuring of the Stuttgart rail node (also known as Stuttgart 21 or S21) as well as construction of a new line (NBS) b... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password