CO DMV DUI & Impaired Driving 1 — Questions and Answers
Question 1: In Colorado, what blood alcohol concentration (BAC) level constitutes a per se DUI offense for adult drivers?
- 0.05% or higher
- 0.08% or higher (Correct answer)
- 0.10% or higher
- 0.15% or higher
Correct answer: 0.08% or higher
In Colorado, a BAC of 0.08% or higher is the legal threshold for a per se DUI violation for drivers 21 and older.
Question 2: What is the Colorado legal limit that results in a DWAI (Driving While Ability Impaired) charge?
- 0.03% BAC
- 0.05% BAC (Correct answer)
- 0.07% BAC
- 0.08% BAC
Correct answer: 0.05% BAC
A BAC between 0.05% and 0.079% in Colorado can result in a DWAI charge, a lesser offense than DUI.
Question 3: What is the BAC limit for drivers under 21 in Colorado?
- 0.02% BAC (Correct answer)
- 0.04% BAC
- 0.05% BAC
- 0.08% BAC
Correct answer: 0.02% BAC
Colorado uses a zero-tolerance standard for underage drivers — any BAC of 0.02% or higher results in a UDD (Underage Drinking and Driving) offense.
Question 4: Under Colorado's Express Consent Law, what is a driver deemed to have consented to when operating on public roads?
- Vehicle searches
- Chemical testing (breath or blood) if lawfully requested by an officer (Correct answer)
- Field sobriety tests only
- Roadside interviews recorded on video
Correct answer: Chemical testing (breath or blood) if lawfully requested by an officer
Colorado's Express Consent Law means that by driving on public roads, you consent to chemical testing of your breath or blood if a law enforcement officer has probable cause.
Question 5: What is the administrative penalty for refusing a chemical test in Colorado?
- No penalty — refusal is your right
- One-year driver's license revocation for a first offense (Correct answer)
- A $500 fine only
- A 30-day license suspension
Correct answer: One-year driver's license revocation for a first offense
Refusing a chemical test in Colorado results in a one-year license revocation for a first offense under the Express Consent Law.
Question 6: In Colorado, what device may be required for a DUI offender to drive legally after conviction?
- Dash camera
- Ignition Interlock Device (IID) (Correct answer)
- Speed limiter
- Alcohol monitoring ankle bracelet
Correct answer: Ignition Interlock Device (IID)
Colorado requires many DUI offenders to install an Ignition Interlock Device (IID) that prevents the vehicle from starting if alcohol is detected on the driver's breath.
In Colorado, what blood alcohol concentration (BAC) level constitutes a per se DUI offense for adult drivers?