Many of the decisions relating to visibility are limited by your local sign ordinances, so consult local authorities for this information prior to design. For good visibility, keep three elements in mind:
Graphic designers certainly are worth their weight in gold, but they can also inadvertently limit the effectiveness of your client’s channel letter set.
The signage world has been hit with a thunderous storm of a constantly evolving technology. Over the past couple years, this storm has grown into an everyday occurrence.