Wyoming Highway 318

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Wyoming Highway 318

WYO 318 highlighted in red
Route information
Maintained by WYDOT
Length1.09 mi[1] (1.75 km)
Major junctions
West end WYO 270 in Hartville
East endDead End in Sunrise
CountryUnited States
Highway system
  • Wyoming State Highway System
WYO 317 WYO 319

Wyoming Highway 318 (WYO 318) is a short east–west 1.09-mile-long (1.75 km) spur route off Wyoming Highway 270 in northeastern Platte County.

Route description

Wyoming Highway 318 begins at Wyoming Highway 270 in the small Town of Hartville. WYO 318 travels east as Hartville's Main Street for a mile till it reaches the old mining town of Sunrise at 1.09 miles.[2][3] Upon reaching the former town, WYO 318 ends at a road closed sign as the mine property is gated. The Sunrise Mine operated until 1980 and produced 42,457,187 tons of iron ore[4][5]


The section of present-day Wyoming Highway 270 from US 26 at Guernsey north to Hartville at present-day Wyoming Highway 318 was formerly designated as Wyoming Highway 318 prior to the 1970s. Highway 318 used to begin as US 26 at Guernsey and end at Sunrise with a 90 degree turn at Hartville. The stretch between Guernsey and Hartville was recommissioned as Wyoming Highway 270 when that road was completed between Manville and Hartville to maintain continuity.[6]

Major intersections

The entire route is in Platte County.

Hartville0.000.00 WYO 270Western terminus of WYO 318
Sunrise1.091.75Dead EndEastern terminus of WYO 318
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Wyoming Department of Transportation Reference Marker Book - November 2004 (PDF) (Map). WYDOT. Archived from the original (PDF) on July 17, 2011. Retrieved 2011-10-20.
  2. ^ Google (14 November 2011). "Overview Map of Wyoming Highway 318" (Map). Google Maps. Google. Retrieved 14 November 2011.
  3. ^ Wyoming @ AARoads.com - Wyoming Routes 300-399
  4. ^ "James Land Company Item: 0000000086 --".
  5. ^ "Wyoming Tales and Trails". Wyoming Tales and Trails. Retrieved 2022-04-14.
  6. ^ Wyoming Highway 318

External links