The commissioner of the department of transportation, with the approval of the governor and council, is authorized to make such other and further improvements to the New Hampshire turnpike system as may be required by RSA 240.
RSA 237:2
RSA 256-C:2. 1971, 520:1. 1973, 559:1. 1975, 286:6. 1981, 87:1. 1982, 42:58. 1983, 76:1; 427:1; 451:1. 1985, 391:3; 402:6, I(b)(8). 1986, 203:10-12. 1987, 266:2. 1989, 356:1. 1991, 255:1; 301:1-5. 1992, 217:1. 1994, 281:1. 1998, 306:2. 2000, 309:11. 2004, 262:4. 2006, 240:7, eff. July 31, 2006. 2009, 144:82, eff. July 1, 2009.