If you have a search on the Birmingham Libraries website, there are dozens of photos of the Perry Barr / Birchfield Road area, taken before, during and after the construction of the underpass and flyover.
I have stitched together a few of them dating from 1959 to make 2 panoramas of the Birchfield Road shops before demolition - the first is northbound before Aston Lane / Wellington Road junction:-
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The second is after the junction - the original Perry Barr railway station and site of (what is now) One Stop shopping centre is on the right:-
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