Police say that the four were traveling on Interstate 35 near mile marker 373 Thursday morning when the accident occurred. The wife of the driver and the son were ejected from the truck during the rollover, reports KXXV.
The wife of the driver died at Hillsboro Regional Hospital. The driver, son, and daughter were flown to Baylor Scott & White hospital in Waco. The son remains in critical condition, and the driver and daughter were released.
Traffic on I-35 was delayed several hours after the accident, according to KXXV.
Courtesy of the National Highway Traffic Safety Administration (NHTSA), here are some facts regarding motor vehicle crashes in 2014: