Wyo. Stat. § 15-6-104: Powers incidental to streets.

(a) The governing body of any city or town may:

(i) Design, establish, vacate, widen, extend and open streets or parts thereof;

(ii) Appropriate private property for the purpose;

(iii) Establish or alter the grade of any street, within the corporate limits; and

(iv) Determine and provide everything necessary and convenient to the exercise of this authority.