22. February 2017 FINISHED TEST TRACK IN CAF´S FACTORY Tria has built a test track at the CAF´s factory in Zaragoza. The project includes a 3 rail slab track, catenary energized at 3.000 VDC, and it also has a PIT, Stoppers and several special devices that are being tested for CAF´s R&D. tagPlaceholderTags: Railway, Spain