All lanes have reopened after a wreck involving multiple vehicles blocked I-20 West in Atlanta for nearly an hour and a half Friday morning.

The crash occurred about 10 a.m. after an unknown vehicle lost its load just before Langhorn Street and stopped to recover it, the Georgia State Patrol said in a statement. When traffic slowed, a white pickup truck swerved out of its lane and an Acura hit it. The truck overturned and struck two vehicles as it flipped, according to the GSP.

Four people were taken to Grady Memorial Hospital with minor injuries, authorities said.

“Two other minor crashes occurred at the scene,” the GSP said.

At one point, all westbound lanes were closed, the WSB 24-hour Traffic Center reported. The lanes reopened about 11:30 a.m.

» For updated traffic information, listen to News 95.5 and AM 750 WSB and follow @ajcwsbtraffic on Twitter. 

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Channel 2's Matt Johnson reports.