Alright, so let's shed some light on the pace of road construction under the Islamic Republic. As said elsewhere, I am unfavorable to automobiles but nonetheless, considering the relatively low level driving discipline in Iran, upgrading classic roads into highways - i.e. 2x2 lanes in physically separated directions, is a good step towards limiting road accidents, in addition to allowing for higher speed limits.
Now please tell me, do you know of a government on planet Earth which built highways at a speed comparable to Islamic Iran? Because I personally don't.
Also, it is interesting to note that sites such as "Google Earth" will not highlight Iran's highways - the only thing they will make visible are freeways, i.e. toll roads with separate direction lanes. This is most probably done in order to minimize the astounding accomplishments of the glorious Islamic Republic.
Just so you realize what it is we're talking about: under the toppled, zio-apologetic and US-subservient Pahlavi monarchy, the only freeways and/or highways Iran managed to inaugurate in some 58 years of rule were the Tehran-Karaj or Tehran-Qazvin (I don't remember) and Tehran-Qom (if I'm not mistaken) freeways - i.e. just a couple of hundred kilometers. And that's all...! Compare this to the thousands of kilometers of freeways and highways built under the glorious Islamic Republic in less than 43 years!
The state of Iran's highways and freeways (marked in green) in 2008, versus a maximum of 300 kilometers in 1979:
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The state of Iran's highways and freeways in 2014-2015 (Iranian year 1393):
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The state of Iran's highways and freeways in 2020-2021 (Iranian year 1399):
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Ok, no further comments needed I think. Other than: Allāho akbar, Khāmenei rahbar!