All lanes have reopened after a wrong-way crash on the southbound lanes of Route 4 in Upper Marlboro on Thursday morning.
Officials said that the driver of a Jeep Cherokee was traveling northbound in the southbound lanes. The driver first struck a Dodge van and then a GMC pickup truck.
Police say the driver of the Jeep Cherokee was having a diabetic episode and does not remember anything from the accident. He had low blood sugar and was disoriented.
Investigators said the driver did not know he was driving in the wrong direction. He was transported by ambulance to an area hospital with serious injuries.
Authorities told News4's Megan McGrath that the two men in the truck are volunteer firefighters. The passenger of the truck was flown to an area hospital with serious injuries.
The truck had reinforced bumper rails and a snow plow attachment on the front that police say helped lessen the impact of the accident.
Police say four people in total were taken to the hospital and are expected to make a full recovery.
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The southbound lanes of the road were closed for several hours while crews worked on the scene.
Charges are pending against the driver of the Jeep going in the wrong direction.
