In highway Engineering (not my field of expertise) the round about are a solution to avoid the conflicts but the way and in no the round abouts are used in Doha i try to imagine which company desinged all these highway networks of Doha and made a wrong decision at many places.

Country with this much wealth should have lots of fly overs to have a grade separated interesection but unfunately the quality of some their exsisting bridges does not seem good even, they are poorly designed by some firm and in uneconomical manner.

Notice one thing also that they are only using much expensive box girders for small spans. I will not talk more as ........