Section 37-10-103 - Apportionment of cost of grade crossing devices and grade separation structures; between railroad and state, county and city government(a) With respect to the installation of safety devices or safety equipment at railroad-highway crossings, under the direction of the affected railroad, it shall be the duty of the transportation commission to apportion the costs and expenses of installing or reconstructing the crossings and safety devices between the railroads and the department of transportation or the county, city or other governmental entity involved in proportion to the respective benefits to be derived, and to make the apportionment of the costs in accordance with state and federal rules and regulations. (b) With respect to the initial installation of grade separation structures at railroad public highway crossings, a grade separation structure shall be installed by the railroad at all new railroad crossings of public roads or state highways, after notifying the department of transportation of its intent to cross the public road or highway, and if deemed appropriate after evaluation by the transportation commission. All installations shall be in accordance with state and federal rules and regulations. (c) With respect to separation structures for roads over or under railroads, the commission shall first determine that all federal sources of funding have been exhausted, and then apportion the remaining costs and expenses of the initial installation of the grade separation structures between the railroad and the department of transportation or the county, city or other governmental entity involved, the apportionment to be based upon the causes resulting in the need for grade separation structures in accordance with state and federal rules and regulations. None of the money in the highway crossing protection account shall be used for payment of grade separation structures.