An Amtrak Sunset Limited train is derailed by saboteurs near Palo Verde, Arizona.

The National Railroad Passenger Corporation, doing business as Amtrak, is the national passenger railroad company of the United States. It operates intercity rail service in every contiguous U.S. state except for Wyoming and South Dakota as well as three Canadian provinces. Amtrak is a portmanteau of the words America and track.

The Sunset Limited is a long-distance passenger train run by Amtrak, operating on a 1,995-mile (3,211 km) route between New Orleans and Los Angeles. Major stops include Houston, San Antonio and El Paso in Texas, as well as Tucson, Arizona. Opening in 1894 through the Southern Pacific Railroad, the Sunset Limited is the oldest continuously operating named train in the United States.

The 1995 Palo Verde derailment took place on October 9, 1995, when Amtrak's Sunset Limited was derailed by saboteurs near Palo Verde, Arizona on Southern Pacific Railroad tracks. Two locomotives, Amtrak GE P32-8BWH #511 leading and EMD F40PHR #398 trailing, and eight of twelve cars derailed, four of them falling 30 feet off a trestle bridge into a dry river bed. Mitchell Bates, a sleeping car attendant, was killed. Seventy-eight people were injured, 12 of them seriously and 25 were hospitalized.

Palo Verde is a small populated place in Maricopa County, Arizona, United States. It is located about 40 miles (64 km) west of Phoenix, and 6 miles (9.7 km) southwest of downtown Buckeye on Historic U.S. Route 80.