Cartography 1:5000 (BTB 1:5000), most recent version, of Biscay

• The 1:5000 scale cartography of Biscay Topographic Base (BTB) is a set of topographic vector data. It was generated on the basis of a 18 cm photogrammetric flight carried out by the Basque Government in the summer of 2023. The mapping was carried out by means of photogrammetric restitution, updating the layers of the following subjects: geographical names, transport, hydrography, relief, land cover, buildings and services and facilities. Information relating to the Foral Road Network of October 2024.