State Boundary Signs In Arizona

Arizona State Line, Yuma County Line, and Yuma City Limits on the Colorado River bridge at the Arizona-California State Line.

Welcome to Arizona on I-10 east.

Welcome to Arizona on US-89 south at the Utah-Arizona line.

AZ-95 north and Arizona Welcome Sign at California border

Arizona Welcome Sign on AZ-389 East in Colorado City, Arizona. Taken at the Utah-Arizona line.

Welcome to Arizona on I-15 north. This is also the boundary between Pacific and Mountain Time Zone, during standard time. Arizona does not observe Daylight Savings Time, so when DST is active Nevada and Arizona are on the same time.