Four Corners (disambiguation)
Four Corners is a region in the southwestern United States where the corners of Colorado, Utah, New Mexico and Arizona meet.
Four State Area
Industries use the term to describe the region as a whole - businesses often name themselves "Four State ______" to attempt to describe the area they wish to serve. Interstates 44, 49, 540 and US Highways 60, 62, 69, 71, 166, 400, 412 serve the area. The historic Route 66 also runs through the region.