All portions of class II highways which have not been improved to the satisfaction of the commissioner of transportation shall be maintained by the city or town in which they are located.
Source. 1945, 188:1, part 12:3. 1950, 5:1, part 9:1, par. 2. RSA 240:3. 1981, 87:1. 1985, 402:6, I(b)(6).