AMP: 53 Location: SR 83 and I-10, Pima Cty Reassurance shield at the beginning of SR 83, a long, scenic route down to Parker Canyon Lake AMP: 43 Location: SR 83 and Hilton Ranch Rd, Pima Cty Narrow reassurance shield just before we enter Coronado NF AMP: 42 Location: SR 83 and Hidden Springs Rd, … Continue reading State Route 83, I-10 to SR 82