RSA 236:73 Restriction of Advertising.

After January 1, 1970, no advertising devices shall be erected or maintained within a federal highway adjacent area and after January 1, 1972, no advertising devices shall be erected or maintained within a turnpike adjacent area except the following:
I. Advertising devices located in a zoned area erected and maintained without violation of RSA 236:71, 72 and 74 follows:
(a) Adjacent to segments of the interstate system legally zoned on September 21, 1959, as commercial or industrial, except that after July 1, 1977, no such advertising devices shall be maintained outside urban areas in locations beyond 660 feet from the highway right-of-way and visible from the main traveled way.
(b) Along the federal aid primary and turnpike systems in a zoned commercial or industr