State Highway 66, also known as Route 66, is a significant roadway in New Jersey. It runs approximately 10 miles, connecting the towns of Neptune City and Keyport. The highway serves as an important route for local traffic and provides access to various commercial areas. The road primarily travels through Monmouth County and features a mix of residential and commercial developments. It intersects with several major roads, enhancing connectivity within the region. State Highway 66 plays a vital role in facilitating transportation and supporting the local economy.