Wyo. Stat. § 24-3-102: Requiring deposit by petitioners.

The board of the county commissioners may require, in their discretion, that the petitioners for the establishment, alteration or vacation of a public road, shall deposit with the county clerk, a sufficient sum of money to defray the expenses of laying out, vacating or altering such road, and such expense, when so incurred, shall be paid out of such deposit. If the road is finally established, altered or vacated, the money so deposited shall be returned to the person who deposited the same.