To meet such obligations the commissioner of transportation is authorized to use any money appropriated for highways not specifically required to be used elsewhere.
RSA 235:3
1917, 162:2. PL 88 :3. RL 104:3. 1945, 188:1, part 11:3. 1950, 5:1, part 9:1, par. 2. RSA 239:3. 1981, 87:1. 1985, 402:6, I(b)(6).