AMP: 2 Location: Grand Ave and Mariposa Rd, Nogales Reassurance shield after the SR 189 junction AMP: 2 Location: Grand Ave and Baffert Dr, Nogales Reassurance shield a couple blocks later AMP: 5 Location: Grand Ave and Frontage Rd, Nogales Then we’ll cruise a couple miles and approach I-19. There is no access to I-19 … Continue reading Interstate 19 Business, SR 189 to I-19