Department of Transportation



70:01:02:03 - Brown County speed zone rule

The department is proposing amendment to ARSD 70:01:02:03 - Brown County speed zone rule. The proposed rule amendments will reduce the speed limit on U.S. Highway 12 from the east side of Aberdeen to Bath. The purpose of this rule change is to enhance safety.

New content is added below as the draft rules move through the rule-making process.






Interim Rules Hearing
Important Dates
Public Hearing:
Comment Deadline:
Interim Rules Committee Hearing:
Filed-Secretary of State:
Rule Effective:
06/26/2025
06/22/2025


Agency Contact: Karla Engle mail to: DOTAdminRules@state.sd.us