Learn about vehicle codes, traffic citations, driver license suspensions, DUI/DWI legal thresholds, and administrative hearings.
Traffic and motor vehicle codes are entirely state-specific. Penalties, point systems, and DUI administrative procedures differ by state jurisdiction.
Traffic and driving law encompasses the statutes, administrative codes, and municipal ordinances regulating the operation of motor vehicles on public roadways. Primarily governed at the state level through motor vehicle codes (administered by state DMVs or BMVs), traffic law distinguishes between civil infractions (speeding, parking) and criminal traffic offenses (DUI/DWI, reckless driving, vehicular homicide).
Model statutory code adopted in varying degrees across all 50 states to standardize traffic rules.
Federal agency setting vehicle safety standards, highway safety grants, and DUI prevention guidelines.
Interstate agreement where 45 states share traffic conviction and license suspension data.
Infractions are civil violations resulting in fines and license points; misdemeanors (DUI, reckless driving) carry criminal records and potential jail.
By driving on public roads, drivers automatically consent to chemical testing if lawfully arrested for DUI; refusing leads to automatic license suspension.
45 states exchange traffic ticket information; violations committed out-of-state are treated as if they occurred in your home state.
DUI and DWI are legal acronyms used across U.S. states to classify criminal offenses involving operating a motor vehicle while impaired by alcohol, drugs, or controlled substances.
Yes. Drivers can contest speeding citations by challenging radar calibration records, officer visual estimation, or presenting emergency defense evidence.
In 49 states, the per se legal limit for non-commercial adult drivers is 0.08% BAC. Utah is the sole state with a lower threshold of 0.05% BAC.
State DMVs assign point values to moving violations. Accumulating too many points within a 12 to 24-month period results in mandatory license suspension.