Blood Alcohol Concentration (BAC) Limits

Adult Operators of Noncommercial Motor Vehicles

Laws addressing blood alcohol concentration limits applicable to drivers of noncommercial automobiles, trucks, and motorcycles who have reached the legal drinking age of 21 years.

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Maps & Charts: Adult Operators of Noncommercial Motor Vehicles

Jurisdiction

Value

Alabama

Per se 0.08 g/dL

Alaska

Per se 0.08 g/dL

Arizona

Per se 0.08 g/dL

Arkansas

Per se 0.08 g/dL

California

Per se 0.08 g/dL

Colorado

Per se 0.08 g/dL

Connecticut

Per se 0.08 g/dL

Delaware

Per se 0.08 g/dL

District of Columbia

Per se 0.08 g/dL

Florida

Per se 0.08 g/dL

Georgia

Per se 0.08 g/dL

Hawaii

Per se 0.08 g/dL

Idaho

Per se 0.08 g/dL

Illinois

Per se 0.08 g/dL

Indiana

Per se 0.08 g/dL

Iowa

Per se 0.08 g/dL

Kansas

Per se 0.08 g/dL

Kentucky

Per se 0.08 g/dL

Louisiana

Per se 0.08 g/dL

Maine

Per se 0.08 g/dL

Maryland

Per se 0.08 g/dL

Massachusetts

Per se 0.08 g/dL

Michigan

Per se 0.08 g/dL

Minnesota

Per se 0.08 g/dL

Mississippi

Per se 0.08 g/dL

Missouri

Per se 0.08 g/dL

Montana

Per se 0.08 g/dL

Nebraska

Per se 0.08 g/dL

Nevada

Per se 0.08 g/dL

New Hampshire

Per se 0.08 g/dL

New Jersey

Per se 0.08 g/dL

New Mexico

Per se 0.08 g/dL

New York

Per se 0.08 g/dL

North Carolina

Per se 0.08 g/dL

North Dakota

Per se 0.08 g/dL

Ohio

Per se 0.08 g/dL

Oklahoma

Per se 0.08 g/dL

Oregon

Per se 0.08 g/dL

Pennsylvania

Per se 0.08 g/dL

Rhode Island

Per se 0.08 g/dL

South Carolina

Per se 0.08 g/dL

South Dakota

Per se 0.08 g/dL

Tennessee

Per se 0.08 g/dL

Texas

Per se 0.08 g/dL

Utah

Per se 0.08 g/dL

Vermont

Per se 0.08 g/dL

Virginia

Per se 0.08 g/dL

Washington

Per se 0.08 g/dL

West Virginia

Per se 0.08 g/dL

Wisconsin

Per se 0.08 g/dL

Wyoming

Per se 0.08 g/dL

Date

Count 0.08

Count 0.10

Count No Law Present

Count Total

1/1/98

16 states

35 states

4 states

51 states

1/1/99

17 states

34 states

3 states

51 states

1/1/00

19 states

32 states

2 states

51 states

1/1/01

21 states

30 states

1 state

51 states

1/1/02

30 states

21 states

1 state

51 states

1/1/03

34 states

17 states

1 state

51 states

1/1/04

46 states

5 states

51 states

1/1/05

50 states

1 state

51 states

1/1/06

51 states

51 states

1/1/07

51 states

51 states

1/1/08

51 states

51 states

1/1/09

51 states

51 states

1/1/10

51 states

51 states

1/1/11

51 states

51 states

1/1/12

51 states

51 states

1/1/13

51 states

51 states

1/1/14

51 states

51 states

1/1/15

51 states

51 states

1/1/16

51 states

51 states

1/1/17

51 states

51 states

1/1/18

51 states

51 states