Siemens solution : Cityval et Airval pour Toulouse et Rennes en 2020 https://metroligne3toulouse.debatpublic.fr/sites/debat.tae/files/documents/plaquetteligneb_mars2016_1.pdf https://www.usinenouvelle.com/article/siemens-choisit-toulouse-pour-installer-le-siege-mondial-de-ses-activites-de-metro-automatique.N361976 https://www.mobility.siemens.com/mobility/global/en/urban-mobility/rail-solutions/automated-people-mover/cityval-airval/pages/cityval-airval.aspx
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