The current total length of Istanbul metro network is 141 km. The total length of Istanbul metro network will be 400 km by the year 2019. The Mayor of Istanbul, Dr. Kadir Topbas, supporting the trenchless solutions for Istanbul, re-elected as the president of the United Cities and Local Governments (UCLG) until 2016. Turkey is ready for your business with a young, dynamic, well-educated and multi-cultural population of 76 million – the largest youth population compared with the EU.Turkey’s impressive economic performance over the past decade has encouraged experts and international institutions to make confident projections about Turkey’s economic future. For example, according to the OECD, Turkey is expected to be the fastest growing economy of the OECD members during 2012-2017, with an annual average growth rate of 5.2 percent. In the year of 2012, 33 Turkish contracting companies ranked among “The World’s Top 225 International Contractors” announced by the leading international industry magazine “ENR – Engineering News Record”. With this number Turkey ranked second in the world after China