Department of Transportation



70:01:02:55 -- Roberts County speed zone rule

70:01:02:55 – Roberts County. On State Trunk Highway 123 south of Wilmot, a 25 mph limited speed zone is being replaced with a 45 mph speed zone that will transition to a 55 mph speed zone. These changes will enhance safety and efficiency by creating a transition speed zone between the existing 25 mph zone and the 55 mph zone.

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:
03/29/2018
03/25/2018
06/04/2018
06/04/2018
06/24/2018
Agency Contact: Karla Engle mail to: DOTAdminRules@state.sd.us