As the pioneer in the implementation of “facilities connectivity”, the international transportation corridor bridging China, Pakistan, Iran and Turkey (CPIT), makes an important skeleton of the Silk Road Economic Belt, of which the essence lies in the inheritance and development of spirits of the ancient Silk Road. Studying the cultural value of the corridor contributes to exploring the transportation corridor’s soft power from the angle of culture. The route of the Silk Road connecting China, Pakistan, Iran and Turkey coordinates and complements with that associating Han Empire, Kushan Empire, Parthian Empire and Roman Empire along the ancient Silk Road. The article, comparing the contemporary Silk Road with the ancient one, analyzes the cultural value of the CPIT international transportation corridor from three aspects：the cultural value of material objects, systems, and carriers, aiming to draw lessons from history and to build on past successes to further advance the cause.