AMP: 52 Location: Central Ave and 3rd St, Sidney Reassurance shield as 200 joins 16. AMP: 51 Location: Central Ave and 14th St, Sidney Reassurance shield as we head out of downtown Sidney. AMP: 50 Location: MT-16 and CR 123, Richland Cty As we head out of Sidney, turn right or left for CR 123. AMP: 50 Location: MT-16 … Continue reading Montana Highway 200, MT-16 to MT-16/MT-23