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Minnehaha County adopts single countywide speed-zone resolution
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Summary
The Minnehaha County Commission approved Resolution MC20-66 to consolidate and set speed limits across the county highway system, establishing a default maximum of 55 mph and specific reduced limits on numerous county roads; the resolution cites SDCL 32-25-9.1.
The Minnehaha County Commission on Nov. 17 adopted Resolution MC20-66, establishing a single source of speed zones for the county highway system and superseding prior speed-limit resolutions. The resolution sets a maximum default speed of 55 miles per hour on county highways while specifying lower limits — including 25, 30, 35, 40, 45 and 50 mph — for particular stretches of road.
Highway Superintendent DJ Buthe presented the resolution, saying it would replace past, piecemeal speed-zone orders with a consolidated table and map. The resolution cites South Dakota Codified Law 32-25-9.1 as the commission’s authority to set local speed zones.
The document lists dozens of specific segments by county-highway number and location. Examples include a 30 mph zone on County Highway 103 near 487th Avenue, a 25 mph limit on a section of Jasper Street (County Highway 104) to the Dell Rapids city limits, and multiple step-down zones on County Highway 130 and County Highway 114 east of Baltic. The resolution also directs the Highway Superintendent to “erect and post the appropriate signage” in accordance with SDCL 32-25-9.1.
Commissioner Heiberger moved to approve the resolution; Commissioner Barth seconded the motion. The commission approved MC20-66 by roll-call vote: 5 ayes.
The action centralizes speed-zone authority and requires county staff to update signage and maps; it does not itself change county maintenance schedules or funding commitments. The resolution replaces Resolution MC18-66 and will be implemented through posted signs and an accompanying speed-zone map.