RCW 46.61.520: Vehicular homicide—Penalty.

(1) When the death of any person ensues within three years as a proximate result of injury proximately caused by the driving of any vehicle by any person, the driver is guilty of vehicular homicide if the driver was operating a motor vehicle:

(a) While under the influence of intoxicating liquor or any drug, as defined by RCW 46.61.502; or

(b) In a reckless manner; or

(c) With disregard for the safety of others.

(2) Vehicular homicide is a class A felony punishable under chapter 9A.20 RCW, except that, for a conviction under subsection (1)(a) of this section, an additional two years shall be added to the sentence for each prior offense as defined in RCW 46.61.5055.