The development of the North-South corridor is one of the priority projects of cooperation between Russia and Iran, Russian President Vladimir Putin stated, RIA Novosti reports.

"One of the priority projects is the development of the North-South transport corridor. We have returned many times and are constantly working on this topic. Once again, I confirm my interest in the implementation of this huge project," Putin said at his meeting with Ali Akbar Ahmadian, Secretary of the Supreme National Security Council of Iran.