A collision on southbound Interstate 17 near Sunset Point north of Black Canyon City killed a child and closed the route between Phoenix and northern Arizona for about four hours Thursday morning.
The state Department of Public Safety said a 10-year-old girl was killed and at least two other people were injured in a rollover crash involving a car and a tractor-trailer.
The Arizona Department of Transportation said southbound lanes of I-17 reopened around 7:30 a.m. and that northbound lanes of I-17 were unaffected by the closure.
Sunset Point is 55 miles (88 kilometers) north of Phoenix.
