Highway 55 in the U.S. State

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Montana

Montana

Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

 is a route running in a northerly direction from an intersection with Montana Highway 41 about 4 miles (6.4 km) north of the small town of Silver Star. The highway extends approximately 12 miles (19.3 km) to an interchange with Interstate 90

Interstate 90

Interstate 90 is the longest Interstate Highway in the United States at . It is the northernmost coast-to-coast interstate, and parallels US 20 for the most part. Its western terminus is in Seattle, at Edgar Martinez Drive S. near Safeco Field and CenturyLink Field, and its eastern terminus is in...

 at the north edge of the town of Whitehall

Whitehall, Montana

Whitehall is a town in Jefferson County, Montana, United States. The population was 1,044 at the 2000 census. It is part of the Helena Micropolitan Statistical Area.Newscaster Chet Huntley graduated from Whitehall High School in 1929.-Geography:...

. The route traverses largely agricultural land in the Jefferson River

Jefferson River

The Jefferson River is a tributary of the Missouri River, approximately long, in the U.S. state of Montana. The Jefferson River and the Madison River form the official beginning of the Missouri at Missouri Headwaters State Park near Three Forks...

 valley.

Route description

Highway 55 begins at MT 41, north of Silver Star. Concurrent with Montana Highway 287, it intersects Cut Across Road. An intersection with Waterloo Road is not far off as Highway 55 proceeds northward. From the west intersects Jack Rabbit Lane, before intersecting Fish Creek Road. It intersects Airport Lane before intersecting Cape Lane. After intersecting several small roads, Highway 55 ends at I-90

Interstate 90

Interstate 90 is the longest Interstate Highway in the United States at . It is the northernmost coast-to-coast interstate, and parallels US 20 for the most part. Its western terminus is in Seattle, at Edgar Martinez Drive S. near Safeco Field and CenturyLink Field, and its eastern terminus is in...

 at Whitehall

Whitehall, Montana

Whitehall is a town in Jefferson County, Montana, United States. The population was 1,044 at the 2000 census. It is part of the Helena Micropolitan Statistical Area.Newscaster Chet Huntley graduated from Whitehall High School in 1929.-Geography:...

.

History

Before receiving its current designation, Highway 55 was designated as part of Montana Highway 287. A small segment of Highway 55 in Whitehall was a former alignment of U.S. Route 10

U.S. Route 10

U.S. Route 10 is an east–west United States highway formed in 1926. Though it never became the cross-country highway suggested by the "0" as the last digit of its route number, U.S...

, before U.S. 10 was deleted across Montana.