DAYTON, NV - Two victims are now dead after Tuesday's accident on US-50 in Dayton.
NHP says David Arroyo Lamas, 18, the passenger in the black Audi, passed away April 22, 2014, at Renown Regional Medical Center.
The driver of the Audi, Ana Laura Munoz, 18, passed away April 23, according to the Washoe County Coroner's Office.
NHP says crash investigation details indicate Munoz was making a left turn from Ambrose lane to go westbound onto US-50. They say she failed to yield from a stop sign.
NHP says Munoz's car pulled in front of a Volvo tractor and trailer. Her car was hit on the driver's side.
The Volvo went across both east and westbound lanes and overturned, coming to a rest on the north shoulder, according to NHP.
The driver of the Volvo, Gary Alan Williams, 61, was transported to Renown Regional Medical Center and was later released, according to NHP.