How long is the route that connects Philadelphia to Lehigh County?
Allentown, Pennsylvania Allentown (Pennsylvania Dutch: "Allenschteddel") is a city located in Lehigh County, Pennsylvania, United States. It is Pennsylvania's third most populous city and the 224th largest city in the United States. As of the 2010 census, the city had a total population of 118,032 and is currently the fastest growing city in all of Pennsylvania. It is the largest city in the metropolitan area known as the Lehigh Valley, which had a population of 821,623 residents as of 2010 . Allentown constitutes a portion of the New York City Combined Statistical Area and is the county seat of Lehigh County. In 2012, the city celebrated the 250th anniversary of its founding in 1762.
Pennsylvania Route 664 Pennsylvania Route 664 (designated by the Pennsylvania Department of Transportation as SR 0664) is a 17.59 mi state highway located in Clinton and Lycoming counties in Pennsylvania. The southern terminus is at State Route 120 in Lock Haven, while the northern terminus is at State Route 44 on the Clinton-Lycoming county line in the community of Haneyville. The route passes through small communities, but does not intersect with any other legislated highways in the area.