A passerby found the victim, a man in his twenties, in Broadway Road's eastbound lanes near Fraser Drive early Friday. Responding emergency units pronounced the victim dead shortly after.
Police said it appeared that the man was struck by an unknown vehicle in the westbound lanes of Broadway, then either thrown or dragged deveral feet.
The victim's identity was not immediately released.
Anyone with any information concerning this incident is encouraged to call the Mesa Police Department at (480) 644-2211.