No sign shall be erected, used or maintained which in any way simulates official, directional or warning signs erected or maintained by the State of New Jersey and County or municipality thereof, or by any public utility or similar agency concerned with the protection of the public health or safety.

No neon sign or similar illuminated advertisement shall be of such color or located in such a fashion as to diminish or detract in any way from the effectiveness of any traffic signal or similar safety or warning device.

The following advertisements are specifically prohibited: any advertisement which uses a series of two (2) or more signs placed in a line parallel to the highway or in similar fashion all carrying a single advertisement message, part of which is contained on each sign.

No sign shall have flashing lights or exposed high flashing lights of exposed high intensity illumination.

No sign may obstruct any window, door, fire escape, stairway or opening intended to provide light or ingress and egress to or from any building or structure, with the exception that twenty-five (25%) percent of any window may be occupied by a sign or signs subject to the further provisions of this chapter.

No sign may be placed in such a position to cause a danger to traffic by obscuring visibility.