The route of Imamzadeh Hashem pass in Haraz road is one of the most important access routes to the northern provinces of Iran. With the construction of Imamzadeh Hashem pass variant, which includes two tunnels each 3300 meters long, one intersection and three bridges, the length of the route will be reduced from 21 km to 12 km. It is necessary to explain that part 1has been in operation since 2012and the implementation of part 2 has started in the second half of the same year This route, as a part of Pardis-Pulor freeway, which is about 24 kilometers long from West Bomehen to Pulor, is under review and turnedin to a freeway.