AMP: 227 Location: I-15 and US-287, Lewis and Clark Cty Reassurance shield as 287 joins the interstate AMP: 227 Location: I-15 and Wolf Creek Rd, Lewis and Clark Cty 1 mile to junction S-434 AMP: 226 Location: I-15 and S-434, Lewis and Clark Cty Exit for 434, which heads north back up to where 287 … Continue reading Interstate 15, US-287 to S-434