Upon the completion of such improvement to the satisfaction of the commissioner of transportation, the department of transportation shall assume full control and pay the cost of reconstruction and maintenance.
RSA 235:11
1945, 188:1, part 12:2. 1950, 5:1, part 9:1, par. 2. RSA 240:2. 1981, 87:1. 1985, 402:6, I(a)(6), (b)(6).