Department of Transportation



70:01:02:00 -- Interstate Highways speed zone rule

The 55 miles per hour speed limit on Interstate Highway 190 in Rapid City is being increased to 60 miles per hour. The purpose of this speed zone change is to enhance safe and efficient travel.

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:
06/27/2019
06/24/2019
08/12/2019
08/12/2019
09/01/2019
Agency Contact: Karla Engle mail to: DOTAdminRules@state.sd.us