The North-South Corridor in the west of the Caspian Sea is 9389 kilometers long (from Finland to New Delhi), which starts from the port of Helsinki in Finland and passes through Russia, Azerbaijan and Iran on its way to the south of the Persian Gulf and the countries of the Indian Ocean basin. Southeast Asian countries extend. Qazvin Rasht Astara project with a length of 372 km is the only part of this route that is under construction. International Corridor of Asia, Europe in the East-West direction: This corridor, which includes transit and transportation between the countries of Asia, the Middle East, Europe and Africa, passes through several routes. The first alternative to China is to CIS countries, Iran, Iraq, Syria and through the Mediterranean Sea to Greece and Europe, or from Iran to Turkey and Europe. The next alternative extends from China, Myanmar, Bangladesh, India, Pakistan, Iran to Iraq, Syria and Europe. Another route starts from China and leads to Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan and Iran from there to Turkey and Europe. The north-south corridor in the east of the Caspian Sea (Kazakhstan, Turkmenistan, Iran) with a length of about 926 km. This corridor connects the north, south, south of Iran and the Persian Gulf regions and Southeast Asian countries to the CIS countries and Russia in the north. This corridor was opened on December 12, 2014, equal to December 3, 2014, by the presidents of three countries. The new China-Kyrgyzstan-Tajikistan-Afghanistan-Iran rail corridor is 7,984 kilometers long, connecting China and the Commonwealth of Nations to Iran and then to Europe. The construction and completion of separation operations are underway in the countries.