(a) The approach grade shall not exceed 1 percent in the vertical plane measured from the grade across the railroad tracks. The approach vertical gradeline shall extend a distance of 30 feet beyond the crossing surface.
(b) From the end of the 1 percent grade, the approach shall conform to appropriate design standards and not exceed a 5 percent grade.
(c) The Commission shall not approve a crossing project unless required approach road modifications are included in the crossing project or completed prior to it.
045-1 Wyo. Code R. § 1-13