BTA mapping 1:5,000 (reference year 2020). Road network site

BTA layer (reference year 2020) containing the surface elements of the roads, tracks, paths and paths for the entire territory of Navarra at 1:5,000 scale. The BTA is an adaptation to the production of the National Cartographic Base (BCN) of the National Geographic Institute (IGN). BTA is the acronym for "Harmonized Topographic Base". It is a data model agreed by the Autonomous Communities (ACs) and approved by the Superior Geographical Council (CSG) of which there is a v1 version dated 2008.BTA图层（基准年为2020年）涵盖纳瓦拉全境1:5000比例尺的道路、小径、步道及路径地表要素。BTA为"协调式地形基准（Harmonized Topographic Base）"的缩写，是适配西班牙国家地理研究所（IGN）国家制图基准（BCN）生产工作的成果。该数据模型由各自治区（ACs）共同议定，并经高级地理委员会（CSG）批准，现有2008年发布的v1版本。