Vinci Construction-led consortium to construct viaduct for Grand Paris Express Line 18, France December 22, 2020 | Europe News A Vinci Construction-led consortium has secured a EUR193 million contract from Société du Grand Paris (SGP) to construct a 6.7-km-long viaduct between Massy-Palaiseau and the upcoming CE... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password