UPDATE: I-20 is reopoen and most of Newton County is safe for travel after black ice hit many roadways in North Georgia Friday morning.

The Covington Police Department received six calls for several vehicles involved in crashes on I-20 before 9:30 a.m. The highway near exit 90 (Hwy. 278) was shut down with traffic backed up to the Almon Road exit.

According to the Newton County Sheriff's Office there were a few serious injuries. One person was lifeflighted to Atlanta Medical Center, two others taken to Monroe and one to a hospital locally.

Another accident backed up I-20 between exit 92 (Alcovy Road) and exit 93 (near Home Depot) with earlier ice causing delays of up to 90 minutes for commuters.

Public Works crews from Newton County were out working the icy situation at around 7 a.m. According to Newton County Chairman Keith Ellis there were no accidents on county roads.

"Public works was working all morning," Ellis said. "They got out their early scouting locations. We're prepared."

Ellis warns that some bridges with shade covering will still be below freezing and have black ice.

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IN BRIEF: Crashes and earlier weather conditions have shut down Interstate 20 near exit 90 (Ga Hwy 278), with traffic backed up to the Almon Road exit. Another accident has backed up Interstate 20 between exit 92 (Alcovy Road) and 93 (near Home Depot) with earlier ice reported on the road, causing delays of up to 90 minutes in commutes. Motorists traveling in this area are strongly urged to use caution and avoid the area if possible. Check back later for more.