DWI / DUI Lawyers in Colorado

Colorado DUI breath-test results can be challenged on calibration, maintenance, operator error, mouth alcohol, and machine reliability — successful challenges have led to thousands of dismissals nationally.

Colorado commercial driver's license (CDL) holders face stricter DUI rules — 0.04% BAC limit (half of regular drivers) plus career-ending consequences for ANY DUI in any vehicle.

Colorado drugged driving (DUID) covers driving impaired by drugs — illegal, prescription, or even legal substances. Marijuana legalization complicates many Colorado DUID cases.

Colorado DUI with injury or death is a felony — typically charged as aggravated DUI, vehicular assault, or vehicular manslaughter. Prison time is mandatory in most cases.

Colorado DUI expungement varies dramatically — some states allow sealing / expunging DUI convictions, many prohibit. Even where allowed, specific waiting periods + procedures apply.

Colorado elevates DUI to felony for: 4th lifetime DUI. Felony DUI sentence: 1-3 yrs (Class 4 felony).

A first-offense DUI in Colorado carries real consequences — license suspension, fines, possibly jail, and an ignition interlock requirement. Colorado's legal BAC limit is 0.08, and the offense is a misdemeanor — dwai (bac 0.05–0.079) is a lesser charge unique to colorado.

Colorado DUI license suspension hearings (administrative) are SEPARATE from criminal proceedings — typically have 7-30 day deadline to request, lower burden of proof, but can save your license.

Colorado drivers arrested for DUI in another state face dual-state consequences — must defend in arrest state, but home state shares info via Driver License Compact + may impose additional license penalties.

Colorado implied-consent law: refusing a breath / blood test triggers automatic license suspension (1 year (1st refusal — designated as 'persistent drunk driver')) regardless of DUI outcome. Criminal refusal: Designated 'persistent drunk driver' triggers ignition interlock + alcohol education even without DUI conviction.

A second-offense DUI in Colorado carries dramatically harsher penalties than a first — typical: 10 days minimum, up to 1 year, 1 year revocation. Lookback period: Lifetime (any prior counts).