(a) The type and placement of protective devices and pavement markings for at-grade crossings shall be in accordance with the MUTCD.
(b) The Commission shall consider flashing light signals with automatic gates for the following:
(c) The Commission shall consider flashing light signals with four quadrants or double gates for the following:
(d) At-grade crossings not fitting the preceding criteria for lights with gates but having sufficient single-track mainline rail traffic may be equipped with flashing lights only.
(e) Cantilevered signals shall be used in accordance with the MUTCD. The Commission shall also consider these devices for crossings with restricted stopping and sight distances.
(f) If warranted, advance warning flashers shall be connected into the crossing's flashing light signals to alert road traffic that a train is about to enter the crossing.
(g) The Commission shall consider crossbucks and advance warning signs in accordance with the MUTCD, at a minimum, for all at-grade crossings.
(h) The Commission shall not approve projects to install signal systems, advance warning, or crossing warning devices; motion sensors; or speed detectors and related sensors and predictors that do not use state of the art technology, unless sufficient justification exists to use salvaged or other devices as part of the project. This provision applies to new installations or the upgrade of these devices at an existing installation.
045-1 Wyo. Code R. § 1-15