sentences:  Routes 93 and 95.About a mile from the Interstate 515, U.S. Route 93 and U.S. Route 95 junction, SR 593 has an intersection at Nellis Boulevard (SR 612) where the highway enters the unincorporated town of Whitney just before terminating at Boulder Highway (SR 582).Much of Tropicana Avenue is designated as a part of the National Highway System (NHS).