the project prompted of Amin al zarb after three visits to Europe and the contract for the construction of the railway was signed with the British company Quzi and a Belgian company. In the end of the reign of Naser al-Din Shah Qajar, railway it was completed in 1891 but never used due to the involvement of local people and Russians. About 700,000 tomans were invested for project. Following the development technocracy policies of Iran by Amin al zarab, was established the first Steel mill of Iran in Amol. In 1887, Amin al zarb obtained an exclusive permit from Nasser al-Din Shah for 30 years to establish a smelter, and bought an eight-meter furnace with a production capacity of 15 tons of iron from France on for 24-hour and settled in Amol. 20th century Pahlavi, Islamic Republic of Iran During the reign of Reza Shah Pahlavi, the face of the town was changed drastically. Schools and most of the streets and governmental buildings current Amol date from that era. During this period, by the order of Reza Shah, Austrian and German engineers, they built Moalagh Bridge, Municipal mansion, Municipal hotel, Chaikhori palace, Pahlavi high School, Asset building and Rice warehouse for export. During this period, the construction of an alternative Haraz road, it was handed over to the Russian company Treskiniski by the Reza Shah. Hyacinth Louis Rabino, with visiting Amol during this period, described Amol as an open town with four gates, nine-quarters, and approximately 2000 houses. A large bazaar contained about 400 shops with many traditional crafts and trades. In the during Mohammad Reza Pahlavi, The construction of Taleb Amoli Street in the western part of the old city and its extension in 1973 to 1975 was completed and the texture of the city was changed. Street Shahpur, Street Reza Shah Kabir, Street Farhang, Street Saadi, Shir-o-Khorshid Hospital, Imamzadeh Abdollah and Spinning, weaving and textile factories were built. Road 77, Sepah-e danesh school, Paddy factory, Grundig and Kubota in Iran it came to fruition in 1963. Supporting Abali hotel, Rineh tourism center and Reinforcement of Amol port it was done as a tourism project. During this period, the municipal sewage system and electricity were modernized. During this period, behest to Reza Shah the railway between Tehran and Amol began seventeen years ago, and gradually a large part of it was built, except for sixty kilometers between Abegarm and