sentences:  SR 646 comprised an extremely short segment of Prater Way in the city of Sparks.It began west of the intersection of North McCarran Boulevard (SR 659) and ran east along Prater Way to end at the McCarran Boulevard intersection.The route was previously part of the former State Route 32A, a longer route that ran along Prater Way from Victorian Avenue (former U.S. Route 40) to McCarran Boulevard.