The DUI attorneys and DWI lawyers listed on this site include nationally published authors on DUI laws and DWI laws. These Drunk Driving Defense Attorneys have appeared in over 75 local television stations and 229 newspapers nationwide.

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Understanding DUI Scientific Evidence

This product provides an insider's perspective on the evolving technologies and procedures associated with the evidence associated with driving under the influence (DUI) charges. Leading defense attorneys guide the reader through the key stages and steps involved in successfully defending a client accused of driving while under the influence.

DUI/DWI Laws In Your State: CLICK ON THE MAP FOR
DUI/DWI LAWS IN YOUR STATE:

 DUI/DWI Laws in your state

Click on the Map for DUI/DWI Laws in your State

clickable map of the United States
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DUI/DWI LAWS IN YOUR STATE:

DUI DWI Laws

All 50 states and the District of Columbia have per se DUI Laws defining it as a crime to drive with a blood alcohol concentration (BAC) at or above a proscribed level, 0.08 percent.

License suspension or revocation traditionally follows conviction for alcohol-impaired driving. Under a procedure called administrative license suspension, licenses are taken before conviction when a driver fails or refuses to take a chemical test. Because administrative license suspension laws are independent of criminal procedures and are invoked right after arrest, they've been found to be more effective than traditional post-conviction sanctions. Forty-one states and the District of Columbia have administrative license suspension laws.

Forty-five states permit some offenders to drive only if their vehicles have been equipped with ignition interlocks. These devices analyze a driver's breath and disable the ignition if the driver has been drinking.

In 30 states, multiple offenders may forfeit vehicles that are driven while impaired by alcohol.

Forty-three states and Washington D.C. have laws prohibiting the driver, passengers or both from possessing an open container of alcohol in the passenger compartment of a vehicle.

State

BAC Defined as illegal per se

Administrative license suspension 1st offense?1

Restore driving privileges during suspension?1,2

Do penalties include interlock / forfeiture?3

Open container laws

Alabama DUI Laws

0.08

90 days

no

no/no

driver / passenger

Alaska DUI Laws

0.08

90 days

after 30 days

yes/yes

driver

Arizona DUI Laws

0.08

90 days

after 30 days

yes/yes

driver / passenger

Arkansas DWI DUI Laws

0.08

120 days

yes

yes/yes

--

California DUI Laws 

0.08

4 months

after 30 days

yes/yes

driver / passenger

Colorado DUI DWAI Laws

0.08

3 months

yes

yes/no

--

Connecticut DUI Laws

0.08

90 days

yes

no/no

--

Delaware DUI Laws

0.08

3 months

no

yes/no

--

District of Columbia DUI Laws

0.08

2-90 days

yes

yes/no

driver / passenger

Florida DUI Laws

0.08

6 months

after 30 days

yes/yes

driver / passenger

State

BAC Defined as illegal per se

Administrative license suspension 1st offense?1

Restore driving privileges during suspension?1,2

Do penalties include interlock / forfeiture?3

Open container laws

Georgia DUI Laws

0.08

1 year

yes

yes/yes

driver / passenger

Hawaii DUI Laws

0.08

3 months

after 30 days

yes/no

driver / passenger

Idaho DUI Laws

0.08

90 days

after 30 days

yes/no

driver / passenger

Illinois DUI Laws

0.08

3 months

after 30 days

yes/yes

driver / passenger

Indiana DUI OWI Laws

0.08

180 days

after 30 days

yes/no

driver4

Iowa DUI DWI Laws

0.08

180 days

after 90 days

yes/no

driver / passenger

Kansas DWI DUI Laws

0.08

30 days

no

yes/no

driver

Kentucky DUI Laws

0.08

--

--

yes/yes

driver / passenger

Louisiana DUI Laws

0.08

90 days

after 30 days

yes/yes

driver / passenger

Maine DUI Laws

0.08

90 days

yes

yes/yes

driver / passenger

State

BAC Defined as illegal per se

Administrative license suspension 1st offense?1

Restore driving privileges during suspension?1,2

Do penalties include interlock / forfeiture?3

Open container laws

Maryland DUI Laws

0.08

45 days

yes

yes/no

driver / passenger

Massachusetts OUI DUI Laws

0.08

90 days

no

no/no

driver / passenger

Michigan DUI OUIL Laws

0.085

--

--

yes/yes

driver / passenger

Minnesota DWI Laws

0.08
(eff. 08/01/05)

90 days

after 15 days

yes/yes

driver / passenger

Mississippi DUI Laws

0.08

90 days

no

yes/yes

--

Missouri DWI Laws

0.08

30 days

no

yes/yes

--

Montana DUI Laws

0.08

--

--

yes/yes

driver / passenger

Nebraska DUI Laws

0.08

90 days

after 30 days

yes/no

driver / passenger

Nevada DUI Laws

0.08

90 days

after 45 days

yes/no

driver / passenger

New Hampshire DWI Laws

0.08

6 months

no

yes/no

driver / passenger

State

BAC Defined as illegal per se

Administrative license suspension 1st offense?1

Restore driving privileges during suspension?1,2

Do penalties include interlock / forfeiture?3

Open container laws

New Jersey DWI DUI Laws

0.08

--

--

yes/no

driver / passenger

New Mexico  DUI Laws

0.08

90 days

after 30 days

yes/no

driver / passenger

New York DUI Laws

0.08

variable6

yes

yes/yes

driver / passenger

North Carolina DUI Laws

0.08

30 days

after 10 days

yes/yes

driver / passenger

North Dakota DUI Laws

0.08

91 days

after 30 days

yes/yes

driver / passenger

Ohio DUI Laws

0.08

90 days

after 15 days

yes/yes

driver / passenger

Oklahoma DUI Laws

0.08

180 days

yes

yes/yes

driver

Oregon DUI DUII Laws

0.08

90 days

after 30 days

yes/yes

driver / passenger

Pennsylvania DUI Laws

0.08

--

--

yes/yes

driver / passenger

Rhode Island DUI Laws

0.08

--

--

yes/yes

driver

State

BAC Defined as illegal per se

Administrative license suspension 1st offense?1

Restore driving privileges during suspension?1,2

Do penalties include interlock / forfeiture?3

Open container laws

South Carolina DUI Laws

0.08

--

--

yes/yes

driver / passenger

South Dakota DUI Laws

0.08

--

--

no/no

driver / passenger

Tennessee DUI Laws

0.08

--

--

yes/yes

driver7

Texas DWI Laws 

0.08

90 days

yes

yes/yes

driver / passenger

Utah DUI Laws

0.08

90 days

no

yes/no

driver / passenger

Vermont DUI Laws

0.08

90 days

no

no/yes

driver / passenger

Virginia DUI Laws

0.08

7 days

no

yes/yes

 
Washington DUI Laws

0.08

90 days

after 30 days

yes/yes

driver / passenger

West Virginia DUI Laws

0.08

6 months

after 30 days

yes/no

--

Wisconsin OWI DWI DUI Laws

0.08

6 months

yes

yes/yes

driver / passenger

Wyoming DUI Laws

0.08

90 days

yes

no/no

driver

1Information pertains to drivers in violation of the BAC defined as illegal per se for all drivers, not the special BAC for young drivers.

2Drivers usually must demonstrate special hardship to justify restoring privileges during suspension, and then privileges often are restricted.

3A multiple offender's vehicle may be seized and disposed.

4In Indiana, the open container restriction only applies if the driver has a BAC of 0.04.

5The 0.08 per se BAC law in Michigan contains a sunset clause which states that the legal BAC will revert to 0.10 on October 1, 2013.

6In New York, administrative license suspension lasts until prosecution is complete.

7In Tennessee, the open container law does not prohibit any municipality, by ordinance, or any county, by resolution, from prohibiting passengers from possessing an open container.

DUI LAWS & DWI LAWS – (credit to www.hwysafety.org) as of July 2004

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DUI DWI Glossary of Terms

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Indiana OWI Law Made Simple - Pt. 1

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California DUI Laws Section 23127 Mandatory Minimum Penalties

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California DUI Laws Section 23220

California DUI Laws Section 23221 Drinking in Motor Vehicle

California DUI Laws section 23222

California DUI Laws - Section 23223 Possession of Open Container

California DUI Laws Section 23224

California DUI Laws Section 23229 Open Container-Exceptions

California DUI Laws- Section 23226 - Open Container Passenger

California DUI Laws - Section 23125 - Enforcement Off the Highway

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Hawaii-DUIDWILaws

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Iowa Driver's Rights Card

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Kentucky-DUIDWILaws

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Maine-DUIDWILaws

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Minnesota DWI Laws - House

Mississippi-DUIDWILaws

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Nebraska-DUIDWILaws

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New Mexico Blood Breath DUI Test Standards 2010

New Mexico-DUIDWILaws

New York-DUIDWILaws

North-Dakota-DUIDWILaws

Oklahoma-DUIDWILaws

Rhode Island-DUIDWILaws

South Carolina-DUIDWILaws

South Dakota-DUIDWILaws

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Utah-DUIDWILaws

Vermont-DUIDWILaws

West Virginia-DUIDWILaws

Wyoming-DUIDWILaws


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