In the state of New Jersey, it runs along much of the mainline of the New Jersey Turnpike (exit 6 to exit 18), as well as the Pearl Harbor Memorial Extension (formerly and still commonly known as the Pennsylvania Turnpike Connector; from exit 6 to the Delaware River–Turnpike Toll Bridge), and the New Jersey Turnpike's I-95 Extension (from exit 18) to the George Washington Bridge for a total of 77 miles .