Section 40-254 - Action to set aside or modify certain orders of commission; filing; limitation; superior courtA. Except as provided in section 40-254.01, any party in interest, or the attorney general on behalf of the state, being dissatisfied with an order or decision of the commission, may within thirty days after a rehearing is denied or granted, and not afterwards, commence an action in the superior court in the county in which the commission has its office, against the commission as defendant, to vacate, set aside, affirm in part, reverse in part or remand with instructions to the commission such order or decision on the ground that the valuation, rate, joint rate, toll, fare, charge or finding, rule, classification or schedule, practice, demand, requirement, act or service provided in the order or decision is unlawful, or that any rule, practice, act or service provided in the order is unreasonable. The answer of the commission shall be served and filed within twenty days after service of the complaint, whereupon the action shall be at issue and ready for trial upon ten days' notice to either party. The action shall be tried and determined as other civil actions except as provided in this section.B. If the commission rescinds the order complained of, the action shall be dismissed, and if the commission alters, modifies or amends the order, the altered, modified or amended order shall replace the original order complained of, and judgment shall be given thereon as though made by the commission in the first instance.C. The trial shall conform, as nearly as possible, and except as otherwise prescribed by this section, to other trials in civil actions. Judgment shall be given affirming, modifying or setting aside the original or amended order.D. Either party to the action, or the attorney general on behalf of the state, within thirty days after the judgment of the superior court is given, may appeal to the supreme court.E. In all trials, actions and proceedings the burden of proof shall be upon the party adverse to the commission or seeking to vacate or set aside any determination or order of the commission to show by clear and satisfactory evidence that it is unreasonable or unlawful.F. Except as provided by this section no court of this state shall have jurisdiction to enjoin, restrain, suspend, delay or review any order or decision of the commission, or to enjoin, restrain or interfere with the commission in the performance of its official duties, and the rules, orders or decrees fixed by the commission shall remain in force pending the decision of the courts, but a writ of mandamus shall lie from the supreme court to the commission in cases authorized by law.