Commercial advertising signs and commercial notices on private property are hereby prohibited unless the signs are of a commercial nature relating to the status of the particular property where posted, such as owners' names, for-sale signs, for-rent signs, names of persons performing design, construction or financing related to the property, security providers, etc. These signs may be posted subject to the following rules:
a. Said signs shall be no greater than four square feet per sign face;
b. Signs shall be spaced one hundred feet apart;
c. Signs shall not obstruct or interfere with safe movement of vehicular or pedestrian traffic;
d. Signs which are of a commercial nature relating to the status of the particular property where posted shall be promptly removed after the completion of the commercial activity.