The mysterious disappearance of the Miami-Superior Highway plaque
By Laurie Merrill / ADOT Communications This is a good old-fashioned whodunit, Arizona Department of Transportation-style. It’s the mystery of the missing plaque that was soldered and hammered onto a boulder to commemorate the opening of the Miami-Superior Highway. On April 29, 1922, the Arizona State Highway Department celebrated its most ambitious projects of the time: 21 … Read more