Arizona (O'odham: Alĭ ṣonak [ˡaɺi ˡʃonak]) is a state in the southwestern region of the United States.

It is also part of the Western United States and the Mountain West states.

It is the sixth largest and the 14th most populous of the 50 states.

Its capital and largest city is Phoenix.

Arizona is one of the Four Corners states.

It has borders with New Mexico, Utah, Nevada, California, and Mexico, and one point in common with the southwestern corner of Colorado.

Arizona's border with Mexico is 389 miles (626 km) long, on the northern border of the Mexican states of Sonora and Baja California.

Travel is the movement of people between relatively distant geographical locations, and can involve travel by foot, bicycle, automobile, train, boat, airplane, or other means, with or without luggage, and can be one way or round trip.

Travel can also include relatively short stays between successive movements.

A traffic camera is a video camera which observes vehicular traffic on a road.

Typically, these are put along major roads such as highways, freeways, motorways, autoroutes and expressways, as well as arterial roads, and are connected with optical fibers buried alongside or even under the road, with electrical power either provided by mains power in urban areas, or via solar panels or another alternate power source which provides consistent imagery without the threat of a power outage during inclement conditions.

A traffic collision, also known as a motor vehicle collision (MVC) among others, occurs when a vehicle collides with another vehicle, pedestrian, animal, road debris, or other stationary obstruction, such as a tree or pole.

Traffic collisions may result in injury, death and property damage.

A road is a thoroughfare, route, or way on land between two places that has been paved or otherwise improved to allow travel by foot or some form of , including a motor vehicle, cart, bicycle, or horse.