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 46.61.5
RCW 9A.20.021
Maximum sentences for crimes committed July 1, 1984, and after.
(1) Felony. Unless a different maximum sentence for a classified felony is specifically established by a statute of this state, no person convicted of a classified felony shall be punished by confinement or fine exceeding the following:
(a) For a class A felony, by confinement in a state correctional institution for a term of life imprisonment, or by a fine in an amount fixed by the court of fifty thousand dollars, or by both such confinement and fine;