A year later, PA 72 was designated concurrent with US 230 between Lancaster and the Maryland state line. In 1928, the eastern terminus of US 230 was cut back to US 30/PA 1 and US 222/PA 41/PA 72 at King and Prince streets in Lancaster, with a southern extension of US 222 replacing the US 230 designation between Lancaster and Conowingo.
A year after PA 72 was designated concurrent with US 230 between Lancaster and the Maryland state line, the eastern terminus of US 230 was shortened to US 30/PA 1 and US 222/PA 41/PA 72 at King and Prince streets in Lancaster. In addition, a southern extension of US 222 replaced the US 230 designation between Lancaster and Conowingo.