By 1966, PA 73 was realigned to head from Oley to Leesport, and PA 625 was designated on the former alignment between PA 23 in Blue Ball and US 222 (now US 222 Bus.) in Reading.
By 1966, PA 73 changed its course from Oley to Leesport, while PA 625 was assigned the designation of the old route between PA 23 in Blue Ball and US 222 (now US 222 Bus.) in Reading.