State Route 160 is a state highway in southern Nevada, USA. It connects the southern Las Vegas Valley to U.S. Route 95 northwest of the city via the Pahrump Valley. The southern part of the route sees heavy traffic, mostly due to Pahrump's continued growth as a Las Vegas bedroom community.The route is known as Blue Diamond Road within the Las Vegas area, with the remainder referred to as the Pahrump Valley Highway.A portion of the route was originally part of State Route 16 prior to 1978.