The market is broken down into a firm tranche and two optional tranches. The firm phase concerns the completion of the work on the three engineering structures and the western half-interchange. Optional unit 1 concerns the completion of the work on the half-interchange on the Corbeville.La side of optional unit 2 concerns the completion of the work on the intersecting between the Shell station and the Christ de Saclay broadcaster

The market is broken down into a firm tranche and two optional tranches. The firm phase concerns the completion of the work on the three engineering structures and the western half-interchange. Optional unit 1 concerns the completion of the work on the half-interchange on the Corbeville.La side of optional unit 2 concerns the completion of the work on the intersecting between the Shell station and the Christ de Saclay broadcaster