Evacuees clogging highways ahead of Florence

South Carolina Gov. Henry McMaster ordered the mandatory evacuation of the state's entire 187-mile coastline. (Photo Credit: South Carolina Emergency Management Division)

South Carolina's governor has ordered more than a million people living along the state's coast to evacuate ahead of Hurricane Florence.

Department of Transportation crews are preparing for lane reversals operations along Interstate 26 to aid in evacuations efforts.

Gov. Henry McMaster says he's preparing the state for winds as powerful as Hurricane Hugo, which plowed inland nearly 30 years ago and caused devastating damage.

McMaster said on CNN Tuesday that officials are "taking nothing for granted" with Florence predicted to make landfall Thursday. The storm is so huge that South Carolina won't be spared even if it escapes the eye of the hurricane.

The evacuation order becomes mandatory at noon Tuesday, but cameras show traffic already backing up along the main interstate connecting Charleston and Columbia.

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