Coon Rapids, MN Sign Regulations: Digital Billboards (2026)
Key Facts
- New off-premises signs
- Barred since September 10, 2001
- Image duration
- Minimum 60 seconds per display, static only
- Daytime brightness cap
- 5,000 nits maximum
- Nighttime brightness cap
- 500 nits from dusk to dawn
- Dimmer
- Automatic dimmer required at dusk and dawn
- Penalty
- Misdemeanor, each day a separate violation
Summary
Digital billboards fall under Coon Rapids' off-premises sign rules as 'dynamic display' signs, and the City has barred new off-premises signs since September 10, 2001, letting only conforming replacements move into the highway corridor. A conforming digital billboard using dynamic display must hold each image for at least 60 seconds, cap nighttime brightness at 500 nits, and dim automatically at dusk under Section 11-1203.10(5).
(5)Dynamic Display Techniques. Nonconforming off-premises signs may not use dynamic display techniques. Any conforming off-premises sign using dynamic display techniques in whole or in part must meet the following operational standards:(a)Duration. In all districts the full sign image or any portion thereof must have a minimum duration of 60 seconds and must be a static display. No portion of the image may flash, scroll, twirl, change color, or in any manner imitate movement. ... (c)Brightness. The sign must not exceed a maximum illumination of 5,000 nits (candelas per square meter) during daylight hours and a maximum illumination of 500 nits (candelas per square meter) between dusk to dawn as measured from the sign's face at maximum brightness.(d)Dimmer Control. Electronic graphic display signs must have an automatic dimmer control to produce a distinct illumination change from a higher illumination level to a lower level for the time period between one half-hour before sunset and one half-hour after sunrise.
Full Breakdown
Off-premises signs, including digital billboards, are covered in Section 11-1203.10. Subsection (2) has barred any new off-premises sign not already standing as of September 10, 2001, though a nonconforming off-premises sign located outside the designated highway corridor can be replaced with a conforming sign built inside that corridor. Where a conforming off-premises sign exists, it can carry a display up to 250 square feet per face and 30 feet tall under subsection (4), and it must sit at least 500 feet from a public park measured laterally along the roadway, 200 feet from residentially zoned property, and 1,000 feet from another off-premises sign on the same side of the road.
Subsection (5) then layers on the digital-display standards: a nonconforming off-premises sign cannot use dynamic display at all, and a conforming one that does must hold each full image or any part of it for a minimum of 60 seconds as a static display, with no flashing, scrolling, twirling, color change, or any illusion of movement, and any transition between images must happen by instantaneous re-pixelization rather than fading, dissolving, scrolling, or traveling. Brightness is capped at 5,000 nits during daylight and 500 nits from dusk to dawn measured at the sign face, and the sign needs an automatic dimmer that steps illumination down starting a half hour before sunset and back up a half hour after sunrise.
No portion of the display can fluctuate, strobe, or otherwise create the illusion of motion, and video-style imagery or pictorial sequences that mimic movement are barred outright.
Violations & Fines
Running a digital billboard that skips the automatic dimmer, exceeds the 500-nit nighttime brightness cap, or changes images faster than every 60 seconds violates Section 11-1203.10(5) and is a misdemeanor under Section 11-1203.14(2), with each day of noncompliance a separate violation. Erecting a new off-premises sign outside the highway corridor, or one not standing as of September 10, 2001, violates the outright prohibition in Section 11-1203.10(2) and can draw the same misdemeanor penalty plus removal.
Frequently Asked Questions
Can a new digital billboard be built in Coon Rapids?
How fast can a digital billboard change its message?
How bright can a digital billboard be at night?
What happens if a digital billboard flashes or scrolls?
Sources & Official References
Other rules in Coon Rapids
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