Cartography BTA 1:5,000 (reference year 2014). Railway network enclosure

BTA layer (reference year 2014) containing the surface elements of railway tracks for the entire territory of Navarre at a scale of 1:5,000. The BTA is an adaptation to the production of the National Cartographic Base (BCN) of the National Geographical Institute (IGN). BTA is the acronym for “Harmonised Topographical Base”. It is a data model agreed by the Autonomous Communities (CCAA) and approved by the Higher Geographical Council (CSG) of which there is a version v1 dated 2008.