N.H. Rev. Stat. Ann. § 236:103

Notwithstanding any provision of this subdivision, junk yards, auto graveyards and scrap metal processing facilities may be operated within areas adjacent to the interstate system and the turnpike system which are within 1,000 feet of the nearest edge of the right-of-way and which are within a zoned industrial area, or which are within an unzoned industrial area but are used for industrial activities.