The Arizona and California Railroad is a class III short line railroad that was a subdivision of the Atchison, Topeka and Santa Fe Railway (ATSF). The ARZC began operations on May 9, 1991, when David Parkinson of the ParkSierra RailGroup purchased the line from the Santa Fe Railway. ParkSierra Railgroup was purchased in January 2002 by shortline railroad holding company RailAmerica. The Genesee & Wyoming shortline railroad holding company purchased RailAmerica in December 2012. ARZC's main commodities are petroleum gas, steel, and lumber; the railroad hauls around 12,000 carloads per year.

Cadiz is an unincorporated community in the Mojave Desert in San Bernardino County, California, United States. It is located just south of the Marble Mountains near the National Trails Highway. Cadiz was a water stop on the railroad.