No person may hereafter establish, operate, or maintain a junkyard or scrap processing facility, any portion of which is within 1,000 feet of the nearest edge of the right of way of any highway on the Federal-Aid Interstate or Federal-Aid Primary Systems, except the following:
a.those which are screened by natural objects, plantings, fences, or other appropriate means so as not to be visible from the main-traveled way of the system, or otherwise removed from sight;b.those located within areas which are zoned for industrial use, or those located within unzoned areas which are used for industrial activities, as determined by regulations to be promulgated by the Department;c.those which are not visible from the main-traveled way of the highway system.