Drivers in Polk County saw major delays Thursday morning after a multi-vehicle crash involving a semi shut down I-4 in both directions before 5 a.m.
The eastbound lanes have since reopened, but the westbound lanes remain closed as of 9:15 a.m.
The crash happened near mile marker 41. Westbound traffic is being diverted at SR 559.
The Polk County Sheriff's Office said the crash involved a semi and another vehicle; two people were taken to the hospital, one with serious injuries.
Additional details on the crash have not been released at this time.
Polk County Fire Rescue said it's on the scene working to clean up a diesel fuel spill throughout the area.