State Route 318 is a state highway in eastern Nevada. It is often used as a shortcut for long-distance traffic along U.S. Route 93, bypassing the longer and less direct route U.S. Route 93 follows between Ely and Crystal Springs. The highway was established in the 1930s as State Route 38 and State Route 38A, and was renumbered to SR 318 in 1976. At a total of 110.762 miles (178.254 km), it is the longest state route in Nevada. The road is used for open speed highway races twice a year.

In the U.S. state of Nevada, U.S. Route 93 is a major United States Numbered Highway traversing the eastern edge of the state. The highway connects the Las Vegas area to the Great Basin National Park, and provides further connections to Ely and Wells. US 93 also provides the majority of the most direct connection from the major metropolitan areas of Las Vegas and Phoenix to the Boise, Idaho metropolitan area.