Washington State Route 171
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State Route 171 (SR 171, named Broadway Avenue) is a long
state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
serving the city of
Moses Lake Moses Lake is a lake and reservoir along the course of Crab Creek, in Washington state, USA. Moses Lake is part of the Columbia River basin, as Crab Creek is a tributary of the Columbia River. Although originally a shallow natural lake, Moses ...
in
Grant County Grant County may refer to: Places ;Australia * County of Grant, Victoria ;United States *Grant County, Arkansas *Grant County, Indiana * Grant County, Kansas *Grant County, Kentucky *Grant County, Minnesota *Grant County, Nebraska *Grant C ...
, located in the
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of
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. Broadway Avenue begins at an interchange with
Interstate 90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, and ...
(I-90) and travels northeast through Downtown Moses Lake
concurrent Concurrent means happening at the same time. Concurrency, concurrent, or concurrence may refer to: Law * Concurrence, in jurisprudence, the need to prove both ''actus reus'' and ''mens rea'' * Concurring opinion (also called a "concurrence"), a ...
to Interstate 90 Business and parallel to Parker Horn before ending at an intersection with SR 17. Broadway Avenue was previously part of Primary State Highway 18 (PSH 18) and U.S. Route 10 (US 10) until the 1964 highway renumbering. The highway also has an un-built extension from Moses Lake northeast to
Odessa Odesa (also spelled Odessa) is the third most populous city and municipality in Ukraine and a major seaport and transport hub located in the south-west of the country, on the northwestern shore of the Black Sea. The city is also the administrativ ...
that was first legislated in 1955 as Secondary State Highway 7E (SSH 7E).


Route description

State Route 171 (SR 171) and Interstate 90 Business (I-90 Business) begin their long concurrency as Broadway Avenue at a
diamond interchange A diamond interchange is a common type of road junction, used where a controlled-access highway crosses a minor road. Design The freeway itself is grade-separated from the minor road, one crossing the other over a bridge. Approaching the ...
with
Interstate 90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, and ...
(I-90) in
Moses Lake Moses Lake is a lake and reservoir along the course of Crab Creek, in Washington state, USA. Moses Lake is part of the Columbia River basin, as Crab Creek is a tributary of the Columbia River. Although originally a shallow natural lake, Moses ...
. The street travels north over a branch of the Columbia Basin Railroad into Downtown Moses Lake and turns northeast to parallel the Parker Horn before the split between SR 171 and I-90 Business, which becomes Pioneer Way. The highway continues northeast to leave Downtown Moses Lake and end at an intersection with SR 17, which
bypasses Bypass may refer to: * Bypass (road), a road that avoids a built-up area (not to be confused with passing lane) * Flood bypass of a river Science and technology Medicine * Bypass surgery, a class of surgeries including for example: ** Heart bypa ...
the city. Every year the
Washington State Department of Transportation The Washington State Department of Transportation (WSDOT or WashDOT, both ) is a governmental agency that constructs, maintains, and regulates the use of transportation infrastructure in the U.S. state of Washington (state), Washington. Establi ...
(WSDOT) conducts a series of surveys on its highways in the state to measure traffic volume. This is expressed in terms of
average annual daily traffic Annual average daily traffic, abbreviated AADT, is a measure used primarily in transportation planning, transportation engineering and retail location selection. Traditionally, it is the total volume of vehicle traffic of a highway or road for a y ...
(AADT), which is a measure of traffic volume for any average day of the year. In 2011, WSDOT calculated that between 3,900 and 21,000 vehicles per day used the highway, mostly in the Yakima area.


History

Broadway Avenue was originally part of Primary State Highway 18 (PSH 18), which extended from
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to
Ritzville Ritzville () is a city in Adams County, Washington, United States. The population was 1,673 at the 2010 census. It is the county seat of Adams County. The city is part of the Othello, WA Micropolitan Area, which comprises all of Adams County, ...
. PSH 18 was created in 1937 and crossed the western part of
Moses Lake Moses Lake is a lake and reservoir along the course of Crab Creek, in Washington state, USA. Moses Lake is part of the Columbia River basin, as Crab Creek is a tributary of the Columbia River. Although originally a shallow natural lake, Moses ...
into Downtown Moses Lake on a bridge that was built in 1924. U.S. Route 10 (US 10) was re-routed onto PSH 18 in the 1940s, and both highways began using a proposed southern bypass of the city in 1955. A road connecting Moses Lake to
Odessa Odesa (also spelled Odessa) is the third most populous city and municipality in Ukraine and a major seaport and transport hub located in the south-west of the country, on the northwestern shore of the Black Sea. The city is also the administrativ ...
in the northeast was proposed in the late 1940s, and was signed into law in 1955 as Secondary State Highway 7E.
Interstate 90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, and ...
(I-90) replaced US 10 and PSH 18 during the creation of the
Interstate Highway System The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...
in 1956, and SSH 7E was replaced by State Route 171 (SR 171) in a 1964 renumbering. No major revisions to the highway have occurred since 1964, and the route to Odessa remains un-built .


Major intersections


References


External links


Highways of Washington State
{{State highways in Washington related to SR 17
171 Year 171 (Roman numerals, CLXXI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Severus and Herennianus (or, less frequently, year 92 ...
Transportation in Grant County, Washington