"580" . . "I-580" . . . . . "Interstates 580" . . . . "Interstate 580 (California)" . . "I-580 freeway" . "MacArthur Freeway section of Interstate 580" . . . "580 (Macarthur) freeway" . "Interstate 580 (California)" . . . . . . . . "CA I-580" . . "580 Freeway" . . . "Interstate 580" . "/580" . "Interstate 580." . . . . . "Interstate 180 (California)" . . . "1964-07-01" . . . . . . "California Interstate-580" . "MacArthur Freeway" . . "580" . . "Interstate 580 (California)#Interstate 180" . . . . . . "121585.9392" . . . "Interstate 580 (Nebraska)" . "West" . "I" . . "East" . .