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.