In cooperation with the General Directorate of Highways, Kayseri-Boğazköprü D. D. Y. Overpass approach embankment project has been constructed in a short period of 75 days by using Austrotherm geoBLOCK^® technology. Kayseri-Boğazköprü D. D. Y. Overpass approach embankment, which was completed in October 2019, with a length of 330 meters, is the largest geofoam bridge approach embankment project completed in Europe in the last 10 years. A total of two bridge approach embankments, dimension of 330 meters length, 14 meters width and 2 meters to 10 meters height starting from the beginning station to the bridge abutment, consisting of a total of 55,000 cubic meters of geoBLOCK®