The 3rd Bosphorus Bridge will be the first of its kind in many respects. Once completed, the bridge will have the following features: The widest suspension bridge of the world with a width of 59 meters; the longest suspension bridge of the world with a rail system of 1,048 meters; a suspension bridge with the highest tower in the world with a height of 322 meters. Sisgeo supplied geotechnical monitoring instruments including in-place inclinometers, single rod extensometers, 6-based rod extensometers, piezometers, OMNIAlog automatic data acquisition system, data management systeme, installation and technical assistance.