U.S. Federal Route 130 runs north-south in Southern Mercer County. It is a divieded highway along the New Jersey Turnpike corridor. U.S. Rt. 130 passes through the following towns in Mercer County. Groveville Yardville Robbinsville U.S. Rt. 130 is multi-plexed in Mercer County. New Jersey State Route 33, from near Robbinsville to near Highstown U.S. Rt. 130 intersects the following highways in Mercer County. New Jersey State Route 156, near Yardville. Interstate 195, near Hamilton. New Jersey State Route 33, near Robbinsville. New Jersey State Route 33, near Highstown. New Jersey State Route 133, near Highstown.