Vehicular Assault
C.R.S. § 18-3-205
(1)(a)  If a person operates or drives a motor vehicle in a reckless manner, and this conduct is the proximate cause of serious bodily injury to another, such person commits vehicular assault.
(b)(I)  If a person operates or drives a motor vehicle while under the influence of alcohol or one or more drugs, or a combination of both alcohol and one or more drugs, and this conduct is the proximate cause of a serious bodily injury to another, such person commits vehicular assault. This is a strict liability crime.
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(c)  Vehicular assault, in violation of paragraph (a) of this subsection (1), is a class 5 felony. Vehicular assault, in violation of paragraph (b) of this subsection (1), is a class 4 felony.

Vehicular Homicide
C.R.S. § 18-3-106
(1)(a)  If a person operates or drives a motor vehicle in a reckless manner, and such conduct is the proximate cause of the death of another, such person commits vehicular homicide.
(b)(I)  If a person operates or drives a motor vehicle while under the influence of alcohol or one or more drugs, or a combination of both alcohol and one or more drugs, and such conduct is the proximate cause of the death of another, such person commits vehicular homicide. This is a strict liability crime.
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(c)  Vehicular homicide, in violation of paragraph (a) of this subsection (1), is a class 4 felony. Vehicular homicide, in violation of paragraph (b) of this subsection (1), is a class 3 felony.