An adult and two children are in the hospital after a crash in Wagoner County, Sunday afternoon.
The 8-month-old was reportedly transported by medical helicopter and listed in critical condition.
According to OHP, both vehicles were driving southbound along the Muskogee Turnpike.
One car stopped in the left lane, trying to exit the turnpike at State Highway 51.
The other car changed lanes from right to left to pay the toll at the Coweta plaze and rear-ended the car.
KTUL will keep you updated here on KTUL.com as soon as more information becomes available.