A portion of Robert Grissom Parkway remains closed Friday due to an overturned 18-wheeler, according to Myrtle Beach police.
Northbound lanes of the road in Myrtle Beach are blocked at Highway 17 Bypass to Highway 31.
Cars can still access Highway 17 Bypass.
Southbound traffic isn't affected.
Myrtle Beach police say speed was the cause of the accident.
No injuries were reported.
It is unclear when the lanes will reopen to traffic.
