Montana Highway 1

Montana State Highway 1 is a north-south highway located in west central Montana extending from Opportunity north to Interstate 90 at Drummond.

0 mile	Begins along Interstate 90 at exit 208	46°06′49.62″N, 112°48′54.96″W
1 mile	Passes by Opportunity	46°05′44.87″N, 112°49′27.74″W
2 mile	Highway 441 branches off to the south	46°06′59.38″N, 112°51′45.19″W
4 mile	Highway 274 branches off to the south	46°07′04.62″N, 112°52′27.90″W
5 mile	Highway 48 branches off to the north	46°07′34.06″N, 112°53′40.90″W
7 mile	Joins U.S. Route 10 at Anaconda	46°07′31.41″N, 112°55′51.54″W
30 mile	Passes Georgetown Lake at Porters Corner where Highway 38 turns south. Highway 1 turns north where it is also called Highway 10A	46°14′43.50″N, 113°19′56.26″W
36 mile	Highway 348 branches to the west at Philipsburg	46°20′16.80″N, 113°18′40.51″W
45 mile	Passes through Maxville	46°27′38.97″N, 113°14′04.24″W
55 mile	Highway 513 branches to the west leading to Hall	46°35′06.93″N, 113°11′47.33″W
61 mile	Joins Interstate 90 at exit 153 by Drummond where it ends	46°40′18.60″N, 113°09′13.11″W

edit Montana State Primary Highways
1	2	3	5	7	10	13	16
17	19	21	23	24	25	28	35
37	38	39	40	41	42	43	44
47	48	49	55	56	59	64	66
69	72	78	80	81	82	83	84
85	86	87	89	117	135	141	146
200	287
List of Montana numbered highways

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