This layer brings together the various points of view according to which the road infrastructure can be organised, namely the point of view of toponymy and the administrative point of view. The point of view of toponymy is also functional to the integration in the Topographic Database of Accesses and House Numbers. For the organization of the main concepts, reference must be made to the national regulations in force and in particular for the treatment of: - toponymy and street numbering the regulation - “REGULATION REGULATION OF THE RESIDENT POPULATION (law 24 December 1954, n. 1228 - Presidential Decree 30 May 1989, n.223) - warnings and explanatory notes - of the Cadastre delle Strade the decree - D.M. 1 June 2001 (S.O. n.6 to the Official Gazette n.5 of 7.1.02). Procedures for setting up and updating the road cadastre pursuant to art. 13 paragraph 6 of the legislative decree 30 April 1992, n. 285 and subsequent amendments. Description provided by the DECREE of November 10, 2011 Technical rules for the definition of the content specifications of the geotopographical databases. Corresponds to layer 03 Management of Roads and Addresses of the DM.