extinguishing systems, these are complications. that in this the project that has been respected by ashkhae second part of the zone 2 band, the sum total of what has been spent in different years and registered in the books is 8 thousand 500 billion tomans, the cost of registering the entire part 2, including the first band of the alborz tunnel, the service tunnel, and part of the second band in kannon. currently, the operational operation is underway, but the daily value of this area, which was exploited today, is 17 thousand billion tomans . the book value, which was opened today, is 1,500 billion tomans. billions of tomans have been spent and it is one to understand in total how many kilometers is the north tehran freeway on average, how much does it cost per kilometer now, how much was it in zone 1, zone 2, considering that it was built in two lanes , we would like to get the value of the cost required for the construction of each square kilometer at the current price, something around 1100 billion tomans for each kilometer on a round-trip basis, the cost required for the construction