This freeway is a remaining mountainous and impassable part of Qazvin-Rasht freeway. The completion of Imamzadeh Hashem-Qazvin freeway, as one of the four main crossing corridors form Alborz mountain range, including Chalus, Haraz, Firuzkoh and Rasht roads which plays a significant role in facilitating the transportation of goods and passengers by entering into the fertile and touristic area of Gilan. The length of Qazvin- Rasht freeway is about 138Km, of which about 127km was built a few years before. However, within Manjil-Rudbar area about 11Km long, the construction has been delayed due to the impassability of the area, construction problems, the existence of Sefidrud River, cities of Manjil and Rudbar, and social issues. Studies and supervision on have been conducted by Consulting Engineers of Iran Oston.
This freeway is a part of Qazvin-Rasht Freeway as an international north-south corridor of the country, from which the first section with 3.2 Km long was put into operation in 2016 and the second section is Manjil-Rodbar Freeway, operated in March 2017.