045-1 Wyo. Code R. § 1-4
(a) Using the appropriate WYDOT form, a railroad, or a public road agency, shall apply to the Commission for authorization to establish or close an at-grade crossing, except temporary crossings and detours.
(b) When it receives an application, or when the public interest clearly indicates action should be taken, upon its own motion, the Commission shall establish a diagnostic team including representatives of the railroad, the public road agency, and WYDOT to review the application.
(c) Before establishing or closing an at-grade crossing, the diagnostic team shall use the appropriate safety, traffic, cost, maintenance, and engineering factors to evaluate the application, and it shall base its recommendations on these factors.
(d) The tentative recommendations of the diagnostic team shall be submitted to all public road agencies affected by the proposed crossing change. Public road agencies may provide comments regarding the diagnostic team's tentative recommendations. The diagnostic team may hold a public meeting to solicit public comment and to disseminate the diagnostic team's tentative recommendations to the public. The diagnostic team shall consider these comments in formulating its final recommendations.
(e) The diagnostic team shall submit its final findings and recommendations to the Commission.
045-1 Wyo. Code R. § 1-4