Two people died in a head-on collision in western Jasper County late Monday night. The Iowa State Patrol reports a Hyundai Elantra driven by 21-year-old Blonca Saint-Louis of Des Moines was traveling southbound in the northbound lanes of Highway 330 near Baxter. It collided with a Infiniti G37 operated by Mackenzie Guilliams of Clinton head-on. Both drivers died on impact.