AMP: 12 Location: SR-138 and SR-112, Grantsville No reassurance shield after the SR-112 junction. AMP: 10 Location: Main St and Hale St, Grantsville As we enter the core of Grantsville, turn right for Hale Street, which heads towards I-80. Stay straight to stay on 138. AMP: 5 Location: SR-138 and Old Lincoln Hwy, Tooele Cty … Continue reading Utah State Route 138, SR-112 to I-80