Open invitation to tender, deadline 22.03.2016, for the maintenance of signaling equipment for the operation of the national road network not already conceded to Île-de-France . Duration of the contract is 48 months from the award. Value of the contract is EUR4-12 million, excluding VAT. Contact DRIEA IF, att.n Gregory Martin, Creteil, tel +33 0141787397, e-mail gregory.martin@developpement-durable.gouv.fr. Tenders must be sent to DRIEA IF / DIRIF, att.n Delavaud Raphael, Creteil, tel +33 146768948, +33 146768902, e-mail raphael.delavaud@developpement-durable.gouv.fr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=50337-2016. Ref. n. DET-2016-SDY. 07/16.