Nothing mysterious here, should be a straightforward pickup except for the muggle activity. You may have to wait for the bus to leave so the area empties of muggles. Or even come back later. So the location is simple, the timing might not be.
Park in the shopping centre, and while you're there, why not take a stroll through the lane into the small but secluded and shady Kanangra Crescent Park. The laneway begins at the phone booth.
Joint FTF: Alephroom, Deep_99 and ris768