U.S. Route 91 or U.S. Highway 91 (US-91) is a 172.663-mile-long (277.874 km) north–south United States highway running from Brigham City, Utah to Idaho Falls, Idaho in the U.S. states of Idaho and Utah. Despite the "1" as the last digit in the number, US-91 is no longer a cross country artery. The highway currently serves to connect the communities of the Cache Valley to Interstate 15 and beyond. Prior to the mid-1970s, US 91 was an international commerce route from Long Beach, California to the Canada–US border north of Sweetgrass, Montana. US 91 was routed on the main streets of most of the communities it served, including Las Vegas Boulevard in Las Vegas and State Street in Salt Lake City. From Los Angeles to Salt Lake, the route was built along the corridor of the Arrowhead Trail. US 91 has been largely replaced by Interstate 15. A portion of the highway's former route in California is currently State Route 91.
State Route 599 is a 7.049-mile (11.344 km) state highway in Clark County, Nevada. The route follows Rancho Drive, a major arterial connecting downtown Las Vegas to the northwest part of the city. Much of SR 599 was previously designated as U.S. Route 95 prior to completion of the Las Vegas Expressway. The route is also designated as U.S. Route 95 Business.
State Route 161 is a state highway in Clark County, Nevada. It is known as Goodsprings Road, connecting the town of Goodsprings to Interstate 15 at Jean. The route was part of State Route 53 prior to 1976.
State Route 165 is a state highway near the southern end of the U.S. state of Nevada. The road connects the town of Nelson to U.S. Route 95. The road originated in the 1940s and was one section of former State Route 60 until the 1970s.
State Route 158, also known as Deer Creek Road, is a state highway in Clark County, Nevada. The route connects Kyle Canyon Road to Lee Canyon Road in the Spring Mountains, in the Humboldt-Toiyabe National Forest.
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.
State Route 168 is a state highway in Clark County, Nevada, United States. Known as the Glendale–Moapa Road, the highway connects U.S. Route 93 to Interstate 15 (I-15) at Glendale about 25 miles (40 km) southeast. The route was designated as the southern end of State Route 7 in 1919, and served as part of US 93 from 1931 to 1967.
State Route 169 is a state highway in Clark County, Nevada, United States. It connects the northern reaches of Lake Mead National Recreation Area to Interstate 15 (I-15) via Moapa Valley and the communities of Overton and Logandale. It is also called Northshore Road, Moapa Valley Boulevard, and Logandale Road.
State Route 221 is a state highway in Elko County, Nevada. The route, concurrent with Interstate 80 Business follows Chestnut Street in the city of Carlin. The highway was once part of the former route of State Route 1 and former U.S. Route 40 (US 40).
State Route 579 is a state highway in Clark County, Nevada. It follows a portion of Bonanza Road near the downtown area of Las Vegas. The route encompasses a small portion of former State Route 5 and the entirety of former State Route 5A, and also carried U.S. Route 95 before it was relocated to its present freeway alignment.
State Route 844 is a 12.319-mile (19.826 km) state highway in central Nevada, United States. The route follows Ione Road, covering part of the connection between State Route 361 and Berlin-Ichthyosaur State Park. SR 844 was formerly known as State Route 91, which extended further northeast to Ione.
The Valley of Fire Road is a road in northeastern Clark County, Nevada serving the Valley of Fire State Park. The roadway was previously designated State Route 40, and the segment within the state park is currently designated a Nevada Scenic Byway.
State Route 726 is a 1.866-mile-long (3.003 km) state highway in Churchill County, Nevada running through a rural area north of Fallon.
Interstate 15 (I-15) is an Interstate Highway, running from San Diego, California, United States, to the Canada–US border, through Mohave County in northwest Arizona. Despite being isolated from the rest of Arizona, in the remote Arizona Strip, and short in length at 29.43 miles (47.36 km), it remains notable for its scenic passage through the Virgin River Gorge. The highway heads in a northeasterly direction from the Nevada border northeast of Mesquite, Nevada, to the Utah border southwest of St. George, Utah.
Interstate 15 (I-15) is an Interstate Highway in the U.S. state of Nevada that begins in Primm, continues through Las Vegas and it crosses the border with Arizona in Mesquite. Within the state, the freeway runs entirely in Clark County. The highway was built along the corridor of the older U.S. Route 91 (US 91) and Arrowhead Trail, eventually replacing both of these roads.
Riverside is an unincorporated community in northeastern Clark County, Nevada, United States. It is located on the Virgin River near Bunkerville and Mesquite; the town is accessible via Nevada State Route 170, which connects all three towns. Riverside is the site of the highway bridge over the river.
State Route 789 is a state highway in Humboldt County, Nevada connecting the town of Golconda to nearby mining districts. Much of the route previously existed as State Route 18 prior to 1976.
State Route 723 is a 2-mile (3.2 km) state highway in Churchill County, Nevada, running through a rural area northwest of Fallon.
I-15 west of Mesquite 
