 The road widens into a divided highway briefly as it has an interchange with the PA 309 freeway.PA 73 continues past homes as a two-lane undivided road and enters Cheltenham Township, where it runs to the northeast of Westminster Theological Seminary and a cemetery.The route crosses the Tacony Creek and passes to the northeast of Arcadia University before it comes to an intersection with PA 152 and crosses under Easton Road near Glenside.