South Dakota vehicle license plate laws govern how license plates must be displayed, what covers and frames are permitted, and what constitutes an obstruction violation. Both front and rear plates are required on standard passenger vehicles.
Front Plate Requirement
This section explains South Dakota’s requirements for front license plate display on standard passenger vehicles.
Does South Dakota require a front license plate on passenger vehicles?
Yes. South Dakota requires both front and rear license plates on most standard passenger vehicles. Motorcycles and trailers require only a rear plate.
Plate Covers
Tinted or opaque license plate covers are prohibited in South Dakota. Any cover that reduces plate readability or reflectivity violates state law.
Are tinted or opaque license plate covers legal in South Dakota?
No. Tinted or opaque license plate covers are illegal in South Dakota. Any cover that reduces the visibility, reflectivity, or legibility of either plate is prohibited. Anti-camera sprays and coatings are also prohibited.
Plate Frames
Plate frames are permitted in South Dakota provided no required plate information is obstructed.
Can I use a license plate frame on my South Dakota plates?
License plate frames are permitted in South Dakota provided they do not obstruct any portion of either plate, including the state name, any characters, or any registration stickers. Frames that cover any required plate information are violations.
Plate Mounting
South Dakota requires both plates to be securely mounted and clearly readable at all times.
Where must South Dakota license plates be mounted on the vehicle?
South Dakota requires both front and rear plates to be securely fastened, horizontally mounted, and clearly visible. South Dakota uses a name-based staggered expiration system with no grace period. Plates must not swing, rattle, or be angled in a way that reduces readability.
Plate Illumination
South Dakota requires the rear license plate to be lit by a white light when the vehicle’s headlights are on.
Does South Dakota require the rear license plate to be illuminated at night?
Yes. South Dakota requires the rear license plate to be illuminated by a white light clearly readable from at least 50 feet when the vehicle’s headlights are in use. A non-functioning plate light is an equipment violation subject to citation.
Registration Stickers
South Dakota’s registration sticker requirements determine what must be displayed on the plate or vehicle at all times.
How does South Dakota’s name-based staggered expiration affect the registration sticker?
South Dakota issues registration stickers for the rear plate. The sticker must be current and properly affixed. South Dakota uses a name-based staggered expiration system.
Plate Obstruction
South Dakota prohibits any cover or device that makes either plate difficult to read or reduces its reflectivity. The following items are specifically prohibited.
What counts as illegal license plate obstruction in South Dakota?
South Dakota prohibits any material or device that makes either plate illegible or harder to read. The items listed below are specifically prohibited under state law.
- Tinted or colored covers over either plate
- Clear covers that reduce reflectivity or legibility of either plate
- Frames that cover the state name, any character, or any sticker on either plate
- Anti-camera sprays or coatings on either plate
- Dirt or debris that makes either plate unreadable
Fines and Violations
South Dakota plate violations are traffic offenses. Fines are set by South Dakota courts and vary by offense and jurisdiction.
What is the fine for a plate violation in South Dakota?
South Dakota plate violations are traffic offenses. Fines are set by South Dakota courts and vary by offense and jurisdiction.
| Item | Detail |
|---|---|
| Missing front plate | Traffic offense – fine typically $100 to $200 |
| Plate obstruction or cover | Traffic offense – fine set by court |
| Missing or improperly displayed rear plate | Traffic offense – fine set by court |
| Non-functioning plate light | Equipment violation – fine set by court |
Plate Alteration
Altering or modifying a South Dakota license plate is prohibited by state law. Modified plates must be replaced through the proper authority.
Can I alter or modify my South Dakota license plate?
No. Altering or defacing a South Dakota license plate is prohibited. Any plate that has been bent, painted, or otherwise modified must be replaced through your county treasurer’s office.
Decorative Covers
Decorative covers are prohibited in South Dakota if they reduce the readability or reflectivity of either plate in any way.
Are decorative plate covers legal in South Dakota?
No. Decorative covers are prohibited if they reduce reflectivity or legibility of either plate. Display both plates without any cover for full compliance.