SIOUX FALLS, S.D. (AP) — State transportation officials hope a new surface treatment will help reduce mishaps on a crash-prone section of Interstate 229 in eastern Sioux Falls.

Transportation Department Engineer Travis Dressen says the "high-friction" surface coating is designed to give vehicles more traction on a curve where drivers often run off the road or hit guardrails, especially during the winter when the road gets slick.

The area being treated had about 60 crashes in a five-year span ending in 2012.

It will be the first time that the special coating will be applied to a South Dakota roadway. The $423,000 project is scheduled to start Wednesday and be completed by Aug. 23.

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