Wyo. Stat. § 24-5-108: Department of transportation to survey, plat and record proposed road.

If upon considering and acting upon the report of the viewers the board of the county commissioners shall decide to lay out a road, they shall contact the department of transportation which shall provide an accurate survey and plat and record the same in the book provided in the county for that purpose; a copy of the plat and notes of the survey shall without unnecessary delay be filed in the office of the county clerk.