Drivers in St. Johns County were urged to use caution on Interstate 95 near State Road 16 after a tractor-trailer jackknifed Tuesday afternoon.
Deputies said there were several additional crashes in the area causing road blockage in the northbound travel lanes.
Rain was also a factor at the time of the crashes about 3:50 p.m.
St. Johns County Fire Rescue, Sheriff's Office and Florida Highway Patrol all responded to the crashes.
Drivers were asked to avoid the area if possible.