045-1 Wyo. Code R. § 1-8
(a) The Commission shall apportion costs and expenses associated with at-grade crossings in accordance with W.S. 37-10-103 and W.S. W.S. W.S. 37-10-104.
(b) The railroad is responsible for the cost of maintaining rail crossing safety devices and surfacing in accordance with W.S. W.S. 37-10-104(b).
(c) When a public road agency applies to establish an at-grade crossing, and federal funding is used, costs shall be split according to proportions outlined in 23 CFR 140, 23 CFR 646 B, and W.S. W.S. W.S. 37-10-101, et seq.
(d) When a railroad applies to establish an at-grade crossing or initiates modification of a crossing, including the addition of multiple tracks, it shall pay for new signalization or for upgrading existing signals and related electronic components and circuits; installing, modifying, or replacing track crossing surfacing systems; detours and traffic controls; temporary crossings; and making road gradelines comply with these regulations. New signals, gates, or surfacing shall be replaced with like equipment or with current technology.
(e) When a public road agency initiates at-grade crossing reconstruction, the agency shall pay for the requested improvements, including detours, traffic controls, and temporary crossings, less federal matching funds, if applicable.
(f) Nothing in this chapter shall prevent or prohibit participation in the project's costs by WYDOT or the railroad.
045-1 Wyo. Code R. § 1-8