sentences:  The route is a two-lane road its entire length, passing through the community of Warwick, Hopewell Furnace National Historic Site, French Creek State Park, and the borough of Birdsboro.PA 345 intersects PA 401 in East Nantmeal Township, PA 23 in Warwick, and PA 724 in Birdsboro.PA 345 was first designated by 1973 between PA 82 in West Nantmeal Township and PA 724 in Birdsboro.