Map digitally produced from the generalization of cartographic databases and own information of the Institut Cartogràfic i Geològic de Catalunya (ICGC), updated in June 2019. With regard to the roads network, nomenclatures and kilometric points, the information has been provided by the Ministry of Development and the General Directorate of Roads (DTES). Bathymetry mapping is taken from the Hydrographic Institute of the Navy.

Geodetic reference system: ETRS89 (GRS80 ellipsoid). UTM cartographic projection 31 north.