Funds for improvement of dirt and unimproved roads

There shall be allocated from funds appropriated to the Commissioner of Transportation for town-aid grants for roads the sum of one million dollars annually, to be distributed pro rata to the towns in the state on the basis of the total mileage of unimproved highways in each town, for the improvement or maintenance of dirt and unimproved roads, including bridges on such roads, and if approved by the commissioner and the selectmen in such town, any portion of said sum distributed to such town in excess of the amount used for the purposes as provided in this section may be used for the purposes of the allocation provided under section 13a-175a. The commissioner and the selectmen of each town shall ascertain the number of miles of such unimproved highway in such town. If the commissioner and the selectmen of any town are unable to agree on the number of miles of unimproved highway in such town, the commissioner shall determine the number of miles of unimproved highway in such town. Any town aggrieved by such determination by the commissioner may appeal therefrom in accordance with the provisions of section 4-183.