Department of Transportation

70:01:02:00 - Interstate highways speed zone rule; 70:01:02:27 -- Fall River County speed zone rule

The South Dakota Department of Transportation is proposing amendments to the following rules: 70:01:02:00 – Interstate highways speed zone rule; and 70:01:02:27 – Fall River County Speed Zone rule. The South Dakota Transportation Commission will be considering changes to the speed limit on Interstate Highway 90 in and around Sioux Falls and on U.S. Highway 385 in Hot Springs. The purpose of the proposed rule changes 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:
Agency Contact: Karla Engle mail to: