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Plainfield, MI regulated digital billboards and differentiate them from the standard version by introducing varying statutes that prohibit certain features. Some of these features are: scrolling or moving text; frequent(<8sec) message changes; overilluminated messages; brightness in relation to current ambient lighting; light pollution; and transition periods between messages. What I liked best about this proposal are the stiff penalties associated with infractions, such as: >$2500.00 per day/per infraction; land sign owners liable if negligent billboard is on property; previous violators are fined double the standard amount.
