Open invitation to tender, deadline 18/10/2019, for the modernization of the transmission networks and video surveillance (fixed tranche), for the supervision of the technical rooms and for the installation of Sirius systems (optional tranche) on the following roads and annexed rooms managed by DiRIF: A1, A3, A4, A6, A6a, A6b, A10, A12, A13, A14, A15, A104, A115, A140, RN1, RN2, RN3, RN4, RN6, RN10, RN12, RN13, RN19, RN36, RN104, RN118, RN184, RN186, RN191, RN330 and RN406 in Ile-de-France. Duration of the contract is 41 months. Offers must be sent to click here . Contact MEEDDM, Creteil, tel +33 146764927, email Zakaria.hajjouji@developpement-durable.gouv.fr. For bid documents click here. Ref.n. 19-AOO-DMET-RVL. 39/19.