AMP: 363 Location: SR 89 and I-40, Yavapai Cty Reassurance shield at the beginning of SR 89, which heads south almost all the way to the cow town of Wickenburg AMP: 363 Location: SR 89 and I-40, Yavapai Cty Trucks can’t use SR 89 south of Prescott, but that’s 57 miles away AMP: 354 Location: … Continue reading State Route 89, I-40/I-40 Bus to SR 89A