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SUNRISE (CBSMiami) – The southbound lanes of the Florida Turnpike are backed up at the Sunrise exit after a tractor trailer flipped on its side Thursday night.

According to Florida Highway Patrol, the driver of the tractor had to be extricated. He was airlifted to a nearby hospital. His condition is unknown.

Authorities said the trailer was carrying bags of cement.

The accident happened at around 6:30 p.m. and the southbound lanes of the Turnpike were still clogged.

The cause of the accident is unknown.

Stay with for updates on this developing story.