Blood Alcohol Concentration (BAC) Limits

Youth (Underage Operators of Noncommercial Motor Vehicles)

Laws addressing blood alcohol concentration limits applicable to drivers of noncommercial automobiles, trucks, and motorcycles who have not reached the legal drinking age of 21 years.

Policy Topics

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Viewing Policies as of Date


Timeline of changes for Youth (Underage Operators of Noncommercial Motor Vehicles)
AlabamaNo Change
AlaskaNo Change
ArizonaNo Change
ArkansasNo Change
CaliforniaNo Change
ColoradoNo Change
ConnecticutNo Change
  • Jurisdiction: Delaware
  • Effective Date of Change: 7/14/1998
  • Change: Evidentiary rule changed to per se
  • Details
District of ColumbiaNo Change
FloridaNo Change
GeorgiaNo Change
HawaiiNo Change
IdahoNo Change
IllinoisNo Change
IndianaNo Change
IowaNo Change
KansasNo Change
KentuckyNo Change
LouisianaNo Change
MaineNo Change
  • Jurisdiction: Maryland
  • Effective Date of Change: 10/1/2001
  • Change: BAC level decreased from 0.02 to 0
  • Details
MassachusettsNo Change
MichiganNo Change
MinnesotaNo Change
  • Jurisdiction: Mississippi
  • Effective Date of Change: 7/1/1998
  • Change: BAC level decreased from 0.08 to 0.02
  • Details
MissouriNo Change
MontanaNo Change
NebraskaNo Change
NevadaNo Change
New HampshireNo Change
New JerseyNo Change
New MexicoNo Change
New YorkNo Change
North CarolinaNo Change
North DakotaNo Change
OhioNo Change
OklahomaNo Change
OregonNo Change
PennsylvaniaNo Change
Rhode IslandNo Change
South Carolina 
  • Jurisdiction: South Carolina
  • Effective Date of Change: 6/29/1998
  • Change: BAC limit law adopted
  • Details
South Dakota  
  • Jurisdiction: South Dakota
  • Effective Date of Change: 7/1/1998
  • Change: BAC limit law adopted
  • Details
  • Jurisdiction: Tennessee
  • Effective Date of Change: 9/19/2016
  • Change: Other provision changed
  • Details
TexasNo Change
UtahNo Change
VermontNo Change
VirginiaNo Change
WashingtonNo Change
West VirginiaNo Change
WisconsinNo Change
  • Jurisdiction: Wyoming
  • Effective Date of Change: 7/1/1998
  • Change: BAC limit law adopted
  • Details
United StatesNo Change