I-17 Would Follow all of US-89's Route going from Nogales, AZ to The Utah state line. I-17 Will Run Concurrent with I-10/US-60 from Its Current Southern Terminus, and then Follows the Superstition Freeway along with US-60 and then Follows SR-79's Route and then SR-77's Route then Runs Concurrent with I-10 for a few miles and then Following I-19's Route and then Following SR-189's Route to the Mexican Border. I-17 Will follow Milton Road North of I-40 and interchanges with US-180 and heads eastward to US-89's Allignment and then Intersects SR-64, US-160, US-89A and SR-98.
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