The Trans-Iran Railway connects the Caspian Sea in the northeast with the Persian Gulf in the southwest across two mountain ranges as well as rivers, plateaus, forests and plains, and four different climates. Started in 1927 and completed in 1938, the 1,394 km railway line was designed and constructed under the successful cooperation between the Iranian government and 43 construction contractors from many countries. The railway is notable for its scale and engineering works required to overcome steep routes and other difficulties. Its construction involved extensive mountain cutting in some areas, while the rugged terrain in others forced the construction of 174 large bridges, 186 small bridges and 224 tunnels, including 11 spiral tunnels. Unlike most early railway projects,
Accreditation year: 2021
Criteria: (ii)(iv)
Area: 5,784 ha
Buffer zone: 32,755 ha
Trans-Iran Railway Map
Video about Trans-Iran Railway
See also: UNESCO World Cultural/Natural Heritage Sites
