The head-on collision happened at about 2 a.m. on Interstate 35 as it passes through West Des Moines. The interstate was closed early Sunday as authorities responded to the crash.
A 47-year-old man from Hartford, Iowa, has been identified as the driver of the vehicle going south in the northbound lanes of the interstate. The 32-year-old man driving the other vehicle who was killed was from West Des Moines. A passenger in his vehicle was seriously injured.