Any judgment, decision, or order of the department upon any question involving the advisability or necessity of eliminating any grade crossing, of installing any protective device, of improving any grade crossing structure, or involving any other question concerning the state highway system arising under this part shall be subject to judicial review in such manner as is now or hereafter provided by law. Pending the final determination of any judicial proceedings so instituted, the department, without prejudice to it or the railroad involved and at its own risk, may proceed with the work involved in such litigation, subject to final judgment of the court as to all questions involved in such litigation.