Wyoming Highway 345 (WYO 345) is a east–west

Wyoming Wyoming () is a U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the south ...

State Road 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 ...

located in northern Sheridan County.

Route description

Wyoming Highway 345 begins its western end (or northern end at this point) at Montana Secondary Highway 451 at the

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...

State Line, approximately 3 miles north of

Parkman, Wyoming Parkman is a census-designated place (CDP) in Sheridan County, Wyoming, United States. The population was 180 at the 2020 census. Geography According to the United States Census Bureau, the CDP has a total area of 9.6 square miles (24.9&n ...

. For its entire length, WYO 345 parallels the

Burlington Northern Santa Fe Railway BNSF Railway is one of the largest freight railroads in North America. One of seven North American Class I railroads, BNSF has 35,000 employees, of track in 28 states, and nearly 8,000 locomotives. It has three Transcontinental railroad, tr ...

and to some extent

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 ...

US Route 87 U.S. Highway 87 (US 87) is a north–south United States highway (though it is signed east–west in New Mexico) that runs for 1,998 miles (3,215 km) from northern Montana to southern Texas, making it the longest north-south roa ...

, which lies north of it. Highway 345 travels through the

census-designated place A census-designated place (CDP) is a concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, such ...

(CDP) of Parkman at about 3 miles, as it turns gently southeast. Shortly after, the northern terminus of

Wyoming Highway 343 Wyoming Highway 343 (WYO 343) is a north-south Wyoming State Road in northern Sheridan County, Wyoming, Sheridan County that connects U.S. Route 14 in Wyoming, U.S. Route 14 (US 14) and Wyoming Highway 345, WYO 345. Route description Wyomi ...

, which links to

US 14 U.S. Route 14 (abbreviated U.S. 14 or US 14), an east–west route, is one of the original United States highways of 1926. It currently has a length of 1,398 miles (2,250 km), but it had a peak length of 1,429 miles (2,300 km). For ...

Dayton Dayton () is the sixth-largest city in the U.S. state of Ohio and the county seat of Montgomery County. A small part of the city extends into Greene County. The 2020 U.S. census estimate put the city population at 137,644, while Greater Da ...

, is met at just under 6 miles. Highway 345 continues eastward toward Ranchester which it reaches nearing 12 miles and

which provides access to exit 9 of

. Past Ranchester WYO 345 now closely parallels the interstate in its last stretch. Highway 345 meets

/ US Route 14 at Milepost 19.27, at the "Acme Interchange," its eastern terminus. The roadway continues east as ''Acme Road'' past the interchange to

Acme Acme is Ancient Greek (ακμή; English transliteration: ''akmē'') for "the peak", "zenith" or "prime". It may refer to: Arts and entertainment * ''Acme'' (album), an album by the Jon Spencer Blues Explosion * Acme and Septimius, a fictional ...

History

The entire length of Wyoming Highway 345 was originally designated as

.aaroads.com - Wyoming Highway 345
/ref> This section of US 87 was the last to be decommissioned in favor of the I-90 routing. In March 1985, when I-90 was completed, the Interstate Highway System in Wyoming was completed. At the same time, US 87 was rerouted to Interstate 90 and as a result the former routing through Ranchester became WYO 345.

Major intersections

References

External links

{{Attached KML, display=inline,title
Wyoming Highway 345 - WYO 343 to MT 451/Montana State LineWyoming Highway 345 - US 14 to WYO 343Wyoming Highway 345 - I-90/US-14/US-87 to US-14
Transportation in Sheridan County, Wyoming

345 The Year 345 ( CCCXLV) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Amantius and Albinus (or, less frequently, year 1098 ''Ab urbe ...