 US 309/PA 22 was realigned onto the road between Nesquehoning and Hazleton in 1927 while PA 93 was designated to run from US 309/PA 22 (now PA 309) in Hazleton northwest to US 11/PA 19 in Berwick.In 1928, PA 93 was extended northwest from Berwick to PA 339 (now PA 487) in Orangeville along an unpaved road while the concurrent PA 22 designation was removed from US 309.By 1930, a section of the route west of Berwick was under construction.