AKP: 5 Location: I-19 and Mariposa Rd, Nogales Reassurance shield after the SR 189 interchange AKP: 8 Location: I-19 and I-19 Bus, Nogales As we head out of Nogales, I-19 Business will join. There is no access to I-19 Business South from I-19 north, but it will rejoin about 500 meters after this bend after … Continue reading Interstate 19, SR 189 to I-19 Bus