(a) No person, company or corporation, except the state or municipal corporations, shall lay out any highway in this state less than fifty feet in width unless with the prior written approval of a majority of the selectmen of the town, or of the burgesses of the borough, or of the common council of the city, wherein such highway is located, except that, where there exists a planning commission in such town, borough or city operating under the general statutes or special act, which commission has adopted subdivision regulations, such written approval shall be obtained from such planning commission.

(b) No highway except a state highway shall be opened to the public until the grade, layout, location, width and improvements of such highway have received the written approval of the majority of the selectmen of the town or of the common council of the city or of the warden and burgesses of the borough wherein such highway is located, except that, where there exists a planning commission in such town, city or borough operating under the general statutes or special act, which commission has adopted subdivision regulations, such approval shall be obtained from such planning commission, nor until such approval has been filed in the office of the clerk of such town, city or borough, as the case may be. No such clerk shall receive or place on file any map of any such new highway or highways, or any map of land showing such new highways, until he has received a certificate, signed by a majority of the selectmen of the town or of the planning commission, or, if such layout is within a city or borough, a certificate signed by the mayor of such city or the warden of such borough or by a majority of the planning commission, as the case may be, that such new layout has been approved by such selectmen or common council or warden and burgesses or planning commission as herein provided.

(c) If any highway has been laid out in violation of the provisions of this section, such highway shall be immediately closed by the first selectman of the town or, in the case of a city or borough, by the officer having charge of the highways in such city or borough, and shall be kept closed until such time as the grade, layout, location, width and improvement of such highway have received the approval herein provided for. The first selectman of a town, or officer having in charge the highways in a city or borough, who fails to comply with the requirements of this section concerning the closing of such new highways as have not been approved as herein provided shall be fined not more than twenty-five dollars.