TULSA, Oklahoma - Tulsa Police say one woman is dead after a head-on collision near Archer and Peoria.

The collision occurred around 5:30 p.m.

Witnesses say they saw the woman's car driving erratically when it crossed the center line, striking a pickup truck.

The woman was transported to a hospital where she died, police say.

The driver of the pickup truck was also taken to a hospital but he is expected to be ok.

Officers say they aren't sure what caused the woman to cross the center line.