MileCheck Highway Report

MileCheck Highway Report: South Dakota, September 2026

by MileCheck · October 1, 2026

What South Dakota's department of transportation (DOT) feed showed in September 2026. Part of the national MileCheck Highway Report, September 2026.

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How we got these numbers: These counts come from a daily copy of South Dakota's department of transportation (DOT) feed, Sept. 1 through Sept. 30, 2026. Each alert was counted once. An alert posted and removed between two daily copies is not counted. Not all states report the same data. Fire figures are as of Sept. 30, 4 PM Pacific.

3closures on the feed

222roadwork records on the feed

4wildfires on the national list, as of Sept. 30, 4 PM Pacific

Crashes

No crashes were on South Dakota's feed in September. Not all states publish crash reports.

Closures and roadwork

3 closures and 222 roadwork records were on South Dakota's feed in September, out of 225 alerts of all types.

The routes with the most alerts were I-90, US-14 and US-281.

Winter closures

On South Dakota's feed as of September 30

US-18 — “Incident/event: ROAD CLOSED FOR THE SEASON, rough road”

Timing comes from each agency's own page. Exact dates depend on snow. We update this list each month through winter.

Wildfires

South Dakota had 4 fires on the national wildfire list as of Sept. 30, 4 PM Pacific.

Largest fires, as of Sept. 30, 4 PM Pacific

Fairpoint (Meade County), 510 acres, 100% contained
Gilbert (Harding County), 211 acres, containment not published
Dry Grass (Pennington County), 97 acres, containment not published
Badger (Oglala Lakota County), 0 acres, containment not published

Thank you to the firefighters and crews who worked these fires all season.

Live fire perimeters are at milecheckapp.com/fire.

See the national report or another state.

The live version is in the app.

MileCheck shows state DOT feeds for crashes, closures, and delays in all 50 states, British Columbia, Alberta and Manitoba as they are published, with your nearest mile marker.

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Built from MileCheck's archive of state DOT road feeds. A new Highway Report comes out at the start of every month.