 Farther north, the route enters commercial areas, widening into a four-lane road at the Haymarker Road intersection.PA 48 turns northwest, passing more businesses and reaching its northern terminus at an intersection with US 22 Business near an interchange that has access to I-376/US 22 and I-76 (Pennsylvania Turnpike).In 1963, a new PA 48 expressway was proposed to run parallel to the current PA 48 alignment from PA 51 in Elizabeth to the PA Turnpike/Parkway East Interchange in Monroeville.