Motorists traveling northbound on Interstate 17 encountered a huge traffic backup at Indian School Wednesday afternoon.
A multi-vehicle crash closed all northbound lanes at around 1:30 p.m.
By 2:30 p.m., all lanes were back open, but there was a one-mile backup, the Arizona Department of Transportation said.
The crash remains under investigation, and no details were released.
Stay with cbs5az.com and CBS 5 News for updates on this developing story.
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