State Route 1002 (SR 1002), locally known as Tilghman Street and Union Boulevard, is a major 13.8 mi (22.2 km) long east–west road in the Lehigh Valley area of the U.S. state of Pennsylvania. The majority of the roadway is the former alignment of U.S. Route 22, maintained by the Pennsylvania Department of Transportation as a Quadrant Route, and is not signed except on small white segment markers. The highway attracts more than the average traffic for roads in the Lehigh Valley. An average of 21,018 vehicles use it in South Whitehall Township and 21,706 in Allentown each day.