North of this, PA 145 follows two-way Lehigh Street north, intersecting with Martin Luther King, Jr. Drive. Lehigh Street ends at the intersection with Union Street in downtown Allentown, where PA 145 splits into a one-way pair along that street.
North of here, PA 145 travels along two-way Lehigh Street northward, crossing Martin Luther King, Jr. Drive. Lehigh Street concludes at the intersection with Union Street in downtown Allentown, where PA 145 divides into a pair of one-way streets on that street.