SIOUX FALLS S.D. (KELO) -- A Florence woman has died of her injuries sustained in a September 21 crash two miles west of Watertown. Why you’ll no longer see ‘Wind Chill Warnings’ this winter The woman was traveling westbound on US 212, attempting a left turn across the divided highway onto 450th Avenue. A 1999 Peterbilt semi-truck was traveling eastbound on US 212 near the intersection of 450th Avenue. The vehicles collided in the eastbound lanes when the woman tried to turn across the divided highway onto 450th Avenue. The 79-year-old woman died from her injuries on Oct. 3. The crash remains under investigation.