The average number of persons per day who see a given sign or group of signs. A “day” equates to a 12-hour period for non-illuminated signs, and an 18-hour period for illuminated signs.
The average number of persons per day who see a given sign or group of signs. A “day” equates to a 12-hour period for non-illuminated signs, and an 18-hour period for illuminated signs.