Authorities say that some of the iciest conditions were being reported around Calhoun, about 70 miles northwest of Atlanta.
The Georgia Department of Transportation reported that some lanes of southbound I-75 were blocked in the Resaca area just north of Calhoun shortly before 7 a.m. Tuesday.
Nearby, on the east edge of Calhoun, authorities reported that some northbound lanes of I-75 were blocked.
WSB-TV reported that vehicles were using one lane on the interstate to get through the area.
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