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Wyoming Highway 345

Route map:
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Wyoming Highway 345 marker
Wyoming Highway 345
Map
WYO 345 highlighted in red
Route information
Maintained by WYDOT
Length19.27 mi[1] (31.01 km)
Existed1985[2]–present
Major junctions
West end S-451 at Montana state line
East end I-90 / US 14 / US 87 in Acme
Location
CountryUnited States
StateWyoming
CountiesSheridan
Highway system
  • Wyoming State Highway System
WYO 344 WYO 346

Wyoming Highway 345 (WYO 345) is a 19.27-mile-long (31.01 km) east–west Wyoming State Road located in northern Sheridan County.

Route description

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Wyoming Highway 345 begins its western end (or northern end at this point) at Montana Secondary Highway 451 at the Montana State Line, approximately 3 miles north of Parkman, Wyoming.[3] For its entire length, WYO 345 parallels the Burlington Northern Santa Fe Railway and to some extent Interstate 90/US Route 87, which lies north of it. Highway 345 travels through the census-designated place (CDP) of Parkman at about 3 miles, as it turns gently southeast. Shortly after, the northern terminus of Wyoming Highway 343, which links to US 14 at Dayton, is met at just under 6 miles. Highway 345 continues eastward toward Ranchester which it reaches nearing 12 miles and US 14 which provides access to exit 9 of Interstate 90.[3][2] Past Ranchester WYO 345 now closely parallels the interstate in its last stretch. Highway 345 meets Interstate 90/US Route 87/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.

History

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The entire length of Wyoming Highway 345 was originally designated as US Route 87.[2] 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.[2]

Major intersections

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The entire route is in Sheridan County. [4]

Location[4]mikmDestinationsNotes
0.000.00 S-451Continuation beyond Montana state line
Parkman5.819.35 WYO 343Northern terminus of WYO 343
Ranchester12.8020.60

US 14 to I-90 / US 87
To exit 9 on I-90
19.2731.01 I-90 / US 14 / US 87Exit 14 on I-90
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

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  1. ^ Wyoming Department of Transportation Reference Marker Book - November 2004 (PDF) (Map). WYDOT. Archived from the original (PDF) on July 17, 2011. Retrieved 2011-03-04.
  2. ^ a b c d aaroads.com - Wyoming Highway 345
  3. ^ a b "Wyoming Highway 345" (Map). Google Maps. Retrieved 26 December 2016.
  4. ^ Geography Division (2016). "Wyoming Governmental Unit Reference Map". United States Census Bureau. Retrieved January 24, 2017.
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