Section 37-9-304 - Fences and cattle guards; generally(a) All railway corporations, owning or operating a line of railway within the state, shall construct, maintain and keep in repair on each side of the track thereof, a sufficient fence which meets or exceeds department of transportation fencing standards, so connected with suitable cattle guards at all public road crossings as to prevent stock from getting on the railroad track of the corporation. The fence shall be constructed within nine (9) months after the completion of any railroad track or any part thereof; provided, that railway corporations shall not be required to construct and maintain a fence within the boundaries of any incorporated city or town. (b) Any corporation failing to comply with this section is subject to a fine of not less than one hundred dollars ($100.00) nor more than seven hundred fifty dollars ($750.00) for each day during which a violation continues. Each county in which there is a failure to comply with this section shall constitute a separate violation. This penalty shall be prosecuted and collected pursuant to the provisions of W.S. 37-9-302.(c) No fine shall be assessed under subsection (b) of this section against a corporation that has on file with the department of transportation an approved plan for fence construction, reconstruction and maintenance so long as the corporation is in full compliance with the terms and conditions of the approved plan.