Whenever any railroad which is situated partly in this state, and partly in one or more other states, and heretofore owned by a corporation formed by consolidation of railroad corporations of this and other states, has been sold pursuant to the judgment of any court of competent jurisdiction, and has been purchased as an entirety, and is now, or hereafter may be, held in the name or as the property of 2 or more corporations incorporated respectively under the laws of 2 or more of the states in which the railroad is situated, it shall be lawful for the corporation so created in this state to consolidate its property, franchises and capital stock with the property, franchises and capital stock of the corporation or corporations of such other state or states in which the remainder of such railroad is situated, and upon such terms as may be agreed upon between the directors, and approved by the stockholders owning not less than 2/3 in amount of the capital stock of such corporations. Such approval may be given by the stockholders of such corporation of this state at any time, in writing or by vote, at any annual or special meeting, upon 60 days’ notice, given by publication in any newspaper published in the county where the general office of such company is situated, and such meeting is to be held. However, no consolidation shall take place with any railroad owning a parallel or competing line, and a majority of the directors of such consolidated company shall be citizens and residents of this state, and where the line of the road of the original company was located in this state, and aid in the construction thereof voted by any municipality by way of subscription or donation and received by the company, and the road as so located not yet completed, then the consolidated company shall have no power or right to change such line as so located in order to make it substantially different from the line so located at the time the aid was voted.