The VAG Verkehrs-Aktiengesellschaft Nuremberg has ordered 27 type G1 four-car metro trains from Siemens Mobility. The contract also includes an option for a total of a further 7 trains. These trains are earmarked for service on Nuremberg's U1 line. The trains will be built in the Siemens Mobility plant in Vienna. Core components of the G1 will be manufactured in the Nuremberg metropolitan area and include such products as the drive converters, traction motors, auxiliary converter units and control equipment. The project management, development and service support will be provided from Erlangen.