UPDATE: Head-on collision shuts down Hwy 411 in Polk Co.
BENTON, POLK COUNTY (WRCB) – For the second time this week, a crash in Polk County has sent three people to the hospital.
Dispatchers say a tractor trailer collided with a concrete truck Thursday morning around 9:30.
The driver of the concrete truck was airlifted by LifeStar to Erlanger Medical Center.
The passenger of the cement truck and the driver of the tractor trailer were taken by ambulance to a local hospital.
The extent of the victims' injuries is unknown at this time.
The Tennessee Highway Patrol says the cause of the accident is under investigation.
Stay with WRCBtv.com.