 between York and I-83 in North York, PA 181 between PA 250 (now US 30) in North York and York Haven, PA 382 between York Haven and PA 114 near Bunches, and an extended PA 114 between Bunches and New Market.PA 24 was extended north to PA 921 in Mount Wolf in the 1970s, replacing the easternmost portion of PA 250.PA 24 begins at the Maryland border in Hopewell Township, where the road continues into Maryland as MD 23.