 The city of Philadelphia approved renaming the Bustleton and Somerton Turnpike within the city to Bustleton Avenue in 1903.When Pennsylvania legislated its state highways in 1911, what would become PA 532 was legislated as part of Legislative Route 252 between Newtown and Yardley.In 1928, PA 532 was designated to run from US 1 in Northeast Philadelphia north to PA 32 in Yardley, following its current alignment to Newtown, where it turned east and ran to Yardley.