AMP: 15 Location: 1600 S and 1600 W, Mapleton Reassurance shield after US 89. AMP: 16 Location: 1600 S and Main St, Mapleton A mile later, we’ll approach Mapleton’s Main Street and SR-147 will turn north. AMP: 16 Location: Main St and 1600 S, Mapleton No reassurance shield after the turn. AMP: 17 Location: Main … Continue reading Utah State Route 147, US-89 to US-89