AMP: 281 Location: I-10 and SR 83, Pima Cty Reassurance shield after the SR 83 interchange AMP: 282 Location: I-10 and SR 83, Pima Cty 19 miles to SR 90 AMP: 289 Location: I-10 and Marsh Station Rd, Pima Cty Reassurance shield after the Marsh Station Rd interchange AMP: 293 Location: I-10 and Bell Rd, … Continue reading Interstate 10, SR 83 to SR 90