605-626-

Illegal Signage

The placement of signs in the right-of-way for advertising or commercial purposes is prohibited by law.

State law SDCL 31-28-14 states in part…Unauthorized markings--Commercial advertising--Signs by organizations approved by highway authorities. No unauthorized person shall erect or maintain upon any highway, any warning or direction sign, marker, signal, or light in imitation of any official sign, marker, signal, or light erected under the provisions of this chapter, and no person shall erect or maintain upon any highway any traffic or highway sign or signal bearing thereon any commercial advertising.

 State law SDCL 31-28-20.   Commercial advertising prohibited. No person shall place or maintain nor shall any public authority permit upon any highway any traffic sign or signal bearing thereon any commercial advertising. A violation of this section is a Class 2 misdemeanor.

View Brochure Here

SDDOT Area Office Phone Numbers: 

Aberdeen 605-626-7885
Belle Fourche 605-892-2872
Custer 605-673-4948
Huron 605-353-7140
Mitchell 605-995-8120
Mobridge 605-845-3844
Pierre 605-773-5294
Rapid City 605-394-2244
Sioux Falls 605-367-5680
Watertown 605-882-5166
Winner 605-842-0810
Yankton 605-668-2929
TransportationDoing Business
Certification & AccreditationContractorsEngineering/Design ServicesEnvironmentalLocal GovernmentsTraffic Incident Management
Projects & Studies
PlanningStudiesConstruction ProjectsSDDOT InnovationPublic Meetings
Programs & ServicesTravelersInside SDDOTDOT Fact BookBlogsHome test