Four people were killed late Tuesday when a vehicle driven by a Nevada woman slammed head-on to another vehicle on U.S. 93. The Department of Public Safety said the 11:59 p.m. incident occurred about 25 miles northwest of Wickenburg.

DPS said Debra Jean Johnson, Fernley, 58, was dead at the scene of the accident. The agency said Johnson was the sole occupant of a 2005 Volkswagon sedan that was northbound when it crossed into the southbound traffic lane colliding with an oncoming Honda Accord.

All three people in the Honda were dead at the scene. The driver is identified as Keayona Marie Horn, 36, Fontana, California.

The names of the passengers who were killed are withheld pending notification of kin. The crash remains under investigation.