Austin police identified the child who died as Lilliana Segura.
Officers responded at about 7:41 a.m. to the intersection of the northbound I-35 service road and westbound Texas 71 service road, where a Jeep Compass and Tesla Cybertruck had collided.
The Jeep was carrying a driver and two children, while the Cybertruck was occupied by its driver, police said.
Both children were taken to a local hospital for treatment. Segura was later pronounced dead at the hospital, and the second child remained hospitalized with critical injuries as of Thursday.
The drivers of both vehicles were also taken to local hospitals for treatment. Police did not provide additional information about their injuries. Police have not shared the cause of the crash. Both drivers are cooperating with the investigation, and neither driver was intoxicated at the time of the collision, according to the Austin Police Department.
The collision is being investigated as Austin’s 56th fatal crash of 2026, resulting in 56 deaths. At the same point in 2025, Austin had recorded 71 fatal crashes resulting in 75 deaths.
Anyone with information about the crash is encouraged to contact police at 512-974-8111. Submit an anonymous tip by visiting austincrimestoppers.org or calling 512-472-8477.