 Farther southeast, the route widens into a three-lane road with one eastbound lane and two westbound lanes as it passes near business parks and some residential and commercial development.PA 63 soon widens to four lanes, with two lanes in each direction.The road becomes a five-lane road with a center left-turn lane as it comes to the Blair Mill Road intersection, at which point it forms the border between Upper Moreland Township to the northeast and Upper Dublin Township to the southwest.