Baku Metro: SYSTRA is in charge of engineering and has led design since 2009 Grand Paris Express: SYSTRA is involved in several aspects, including assistance to the owner for the red line and project management for the infrastructure of line 15 (red line) between Noisy-Champs and Villejuif Louis Aragon. Le Grand Paris Express : Systra est impliqué dans l’assistance à maîtrise d’ouvrage systèmes de la ligne rouge et la maîtrise d’œuvre infrastructures du tronçon de la ligne 15 (ligne rouge) allant de Noisy-Champs à Villejuif Louis Aragon.