AMP: 1 Location: 750 N and US 89, Willard No reassurance shield as State Route 315 begins. AMP: 1 Location: 750 N and 600 W, Willard Less than a mile later we’ll approach Interstates 15 and 84. AMP: 0 Location: 750 N and I-15, Willard Follow 15 north and 84 west to Tremonton, where the two routes split. … Continue reading Utah State Route 315, US-89 to I-15/I-84