Department of Transportation



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

It is proposed to reduce the maximum speed limit on Interstate 90 from 80 mph to 75 mph between the Wyoming border and milepost 55. It is proposed to move back the beginning date of a temporary 65 mph limited speed zone rule on Interstate 90 from milepost 28.9 to milepost 33.75 from August 1 to July 24 each year. For the 2015 Rally only, it is proposed to extend the temporary 65 mph limited speed zone on Interstate 90 from milepost 28.9 to milepost 55 from July 24 to August 10

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




Intermin Rules Hearing
Agency Contact: Karla Engle
mail to: DOTAdminRules@state.sd.us
Important Dates
Public Hearing:
Comment Deadline:
Interim Rules Committee Hearing:
Filed-Secretary of State:
Rule Effective:
05/28/2015
05/27/2015

06/08/2015
06/28/2015