A portion of the Overseas Highway was shut down Tuesday as crews battled a brush fire along the 18 Mile Stretch.
The southbound side was shut down between Florida City and Key Largo as five Miami-Dade Fire Rescue units responded to control the blaze.
The so-called Mile Marker 125 Fire burned 200 acres as of 11 a.m. Wednesday, according to the Florida Forest Service, and is 20 percent contained.
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Traffic returned to normal Wednesday, but drivers are still advised to use caution.
The cause of the fire was unclear.
This is a developing story. Check back with NBC 6 for updates.