The Commissioner of Transportation, on the application in writing of the selectmen of any town, the mayor and common council of any city or the warden and burgesses of any borough, may make all necessary orders concerning the laying of any commercial or industrial sidetrack or sidetracks, or branch line tracks used only for freight traffic, at grade, upon or across any highway within the limits of such town, city or borough and may also make all necessary orders concerning the laying of any highway, at grade, upon or across any commercial or industrial sidetrack or sidetracks, or branch line tracks used only for freight traffic, within the limits of such town, city or borough.