N.H. Rev. Stat. § 21-L:12-a

The commissioner of transportation may adopt rules, under RSA 541-A, relative to: I. Establishing standards for private water supplies affected by highway construction or reconstruction, as authorized by RSA 228:34. II. Using bicycle routes, as authorized by RSA 230:75, IV. III. Supervision of trees and vegetation adjoining certain highways, as authorized by RSA 231:155. IV. Restoration of highways and bond requirements, as authorized by RSA 236:10. V. Permits for moving special objects, as authorized by RSA 266:24. VI. Filing railroad maps or profiles, as authorized by RSA 243:44, IV. VII. The maximum occupancy time of a grade crossing, as authorized by RSA 246:16. VIII. [Repealed.] IX. [Repealed.] X. Establishing rates, fares, charges and classifications of joint service, as authorized by RSA 248:1, II. XI. Terms and conditions of joint use by railroads as authorized by RSA 248:13. XII. [Repealed.] XIII. Procedures for the creation of highway planning corridors, and procedures and criteria for administering corridor permits and the acquisition of corridor protection restrictions, as authorized by RSA 230-A. XIV. The operation of the turnpike system as authorized by RSA 237:5. XV. Non-police escort vehicles for the transport of manufactured housing or modular buildings as authorized by RSA 266:10, II. XVI. Establishing specific pre-approved routes for the transport of manufactured housing or modular building as authorized by RSA 266. XVII. Establishing criteria to determine the need for police escort vehicles for the transport of manufactured housing or modular buildings as authorized by RSA 266. In determining such criteria, the commissioner shall consider the anticipated road, traffic, and weather conditions that indicate that the safety of the public will be increased or the likelihood of damage to roadside objects will be reduced by providing a police escort. XVIII. Establishing and maintaining wildlife corridors and habitat strongholds as defined in RSA 207:1.