CO HB1114

Establishes that a driver's blood containing 5 nanograms or more of delta 9-tetrahydrocannabinol per milliliter in whole blood gives rise to a permissible inference of drug impairment in DUI prosecutions.

Changes alcohol-related presumptions to permissible inferences in vehicular homicide and vehicular assault prosecutions, replacing the previous legal presumption standard.

Removes "habitual user" offense from Colorado traffic code and related statutes, eliminating this classification for controlled substance use while driving.

Allows medical marijuana registry cardholders to prevent prosecutors from using their valid card as evidence in their case-in-chief and protects them from warrantless blood testing based solely on card possession.

Appropriates $12,000 for fiscal year 2013-2014 to the state public defender's office for implementation costs related to the bill's provisions.