 It is known as Old Bridge-Matawan Road for its entire length in Old Bridge Township where it intersects U.S. Route 9 (US 9), and then continues several more miles to the Old Bridge/Matawan border, where it enters Monmouth County.There it is known as New Brunswick Avenue and forms part of the boundary between Matawan and Aberdeen before fully entering Matawan.Upon crossing Main Street (Route 79) it becomes known as Broad Street and continues past Route 34 to another junction with Main Street (County Route 516 Spur).