Arizona was originally part of New Mexico; however, the land was yielded to the United States in 1848 and became a separate territory in 1863. On February 14, 1912, Arizona became the last of the 48 contiguous United States to be admitted to the union.
Arizona is located in the southwestern region of the United States. It is also part of the Western and the Mountain states. Arizona is the 6th largest and the 14th most populous of the 50 states. Arizona shares the Four Corners region with Utah, Colorado, and New Mexico; its other neighboring states are Nevada and California to the west and the Mexican states of Sonora and Baja California to the south and southwest. Both the capital city and the largest city is Phoenix.
Arizona is nicknamed “The Grand Canyon State”. It is also well-known as “The Copper State” and “The Valentine State”. The state tree is the Palo Verde, the state bird is the Cactus Wren and the state flower is the Saguaro Cactus Blossom. The state motto is “God Enriches” (Latin: Ditat Deus).
Arizona has many airports with regularly scheduled commercial flights including Phoenix Sky Harbor International Airport (IATA: PHX, ICAO: KPHX) in Phoenix (the state’s largest airport and the major international airport), Tucson International Airport (IATA: TUS, ICAO: KTUS) in Tucson, Phoenix-Mesa Gateway Airport (IATA: AZA, ICAO: KIWA) in Mesa, Yuma International Airport (IATA: NYL, ICAO: KNYL) in Yuma, Prescott Municipal Airport (PRC) in Prescott, Flagstaff Pulliam Airport (IATA: FLG, ICAO: KFLG) in Flagstaff and Grand Canyon National Park Airport (IATA: GCN, ICAO: KGCN, FAA: GCN). Phoenix Sky Harbor is the world’s 7th busiest airport in terms of aircraft movements and 17th for passenger traffic.
Other significant airports without regularly scheduled commercial flights include Scottsdale Municipal Airport (IATA: SCF, ICAO: KSDL) in Scottsdale, and Deer Valley Airport (IATA: DVT, ICAO: KDVT, FAA: DVT) home to two flight training academies and the nation’s busiest general aviation airport.
Arizona has a number of interstate highways including I-8, I-10, Future I-11, I-15, I-17, I-19 and I-40.
Several U.S. Highways also pass through the state, such as US 60, US 64, Historic US 66, US 70, Historic US 80, US 89, US 89A, US 91, US 93, US 95, US 160, US 163, US 180 and US 191.
Main Interstate routes include I-17, and I-19 traveling north-south, I-8, I-10, and I-40, traveling east-west, and a short stretch of I-15 traveling northeast–southwest through the extreme northwestern corner of the state. The state also has many urban areas that have a complex network of state routes and highways, such as the Loop 101, which is also part of Phoenix’s vast freeway system.