PLANO (CBSDFW.COM) – A horrible car crash along the service road of southbound State Highway 121 killed a 9-year-old girl and left her mother and sister in the hospital. The incident happened on Wednesday shortly after 9:00 p.m. between Plano Parkway and Spring Creek Parkway in Frisco, as the family was parked on the side of the road waiting for help.

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According to police, a tow truck rear-ended the family’s sedan. The impact knocked the car into a nearby wall. The 9-year-old girl inside was pronounced dead at the scene. Her 32-year-old mother and 12-year-old sister were transported to Medical Center of Plano in serious condition, but both are now expected to be okay.

Macie Hooten, 9, was killed during a Frisco car crash on June 8, 2011. (credit: Carrollton Farmers Branch Independent School District)

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The deceased 9-year-old girl has been identified as Macie Hooten, a student in the Carrollton Farmers Branch Independent School District.

The 49-year-old Frisco tow truck driver was not hurt during the crash.

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The family was pulled over on the side of the road due to car trouble. Police noted that the tow truck was not coming to help this particular car. It is still too early in the investigation, police said, to tell if the tow truck driver will face any charges in this case.