AMP: 2 Location: 6th Ave and Joyland Rd, Lewistown Reassurance shield after S-237, still signing 87 and 200 as business routes. AMP: 0 Location: US-191 and US-87, Fergus Cty Shortly thereafter, on the east side of Lewistown, the business routes end as 87/191/200 merge back onto the main alignment.  W to US-191/MT-3, E to US-191/US-191 Bus  S … Continue reading Montana Highway 200, S-237 to US-87 Bus/US-191 Bus/MT-200 Bus