At 8:37 a.m., Georgia State Patrol got a call that 10 vehicles were involved in an accident by the Lenox exit on I-75.
GSP reports that a seven-car pileup in the construction zone caused a separate three-car collision just minutes later.
Cook County deputies say a few people were badly injured and transported to Tift Regional and Adel Hospital.
Investigators say traffic started flowing again at around 10:20 a.m.
Troopers are investigating the cause of the accidents.