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as required by
SDCL 1-26-1
and
SDCL 1-26-5
as of
08-07-2026 12:45:01 PM
Department of Transportation
70:01:02:00 -- Interstate Highway Speed Zone Rule
A temporary limited speed zone on Interstate 90 beginning at milepost 28.9 and currently ending at milepost 33.75 is being extended to milepost 55.02 in order to reduce traffic speeds and improve safety along this heavily-traveled segment of I-90 during the period of the Rally. In addition, the beginning date for the temporary limited speed zone is being moved back from July 24 each year to the Thursday preceding the first full weekend in August, and the ending date is being changed from August 15 to the Sunday of the second full weekend in August, which is the final day of the Rally each year. The change in dates is being made to more closely align the effective period of the temporary reduced speed zone to the dates of the heaviest Rally-related traffic, while minimizing the impact on normal traffic in the area
New content is added below as the draft rules move through the rule-making process
.
Important Dates
Public Hearing:
Comment Deadline:
Interim Rules Committee Hearing:
Filed-Secretary of State:
Rule Effective:
04/28/2016
04/27/2016
06/01/2016
06/03/2016
06/23/2016
Agency Contact:
Karla Engle
mail to: DOTAdminRules@state.sd.us