How do Sheffield road planners get it so wrong?

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From the signage, 'No stopping, local buses only', with the bus stop yet to be added, who's bright idea was it, not only to downgrade Charter Row from a 4 lane carriageway, (2 into the city & 2 out), to a narrowed, 2 lane carriageway with speed humps but now add what appears to be a bus stop at the narrowest part & on a bend as well?

 

It doesn't take a genius to predict that a a bus pulled into the stop at the back of Debenhams / The Light cinema, will cause a tailback.