Ignition Interlock Device Laws
LA
LA
MO
MO
MD
MD
OR
OR
OH
OH
SD
SD
FL
FL
NC
NC
NM
NM
AZ
AZ
GA
GA
MS
MS
AL
AL
OK
OK
WI
WI
NY
NY
WA
WA
NV
NV
CO
CO
VA
VA
KY
KY
WV
WV
NE
NE
DE
DE
CT
CT
NJ
NJ
IA
IA
IN
IN
IL
IL
PA
PA
WY
WY
ID
ID
NH
NH
VT
VT
HI
HI
TX
TX
DC
DC
KS
KS
TN
TN
AR
AR
SC
SC
UT
UT
CA
CA
MT
MT
ND
ND
MI
MI
MN
MN
MA
MA
RI
RI
ME
ME
AK
AK
+
–
All Offenders
High BAC* First Offenders
Repeat Offenders
Discretionary
State laws are divided into four categories based on who is required to install an ignition interlock device following a DUI conviction -- and whether the installation is mandatory or left to the discretion of the convicted driver or a judge.
*Blood Alcohol Content
Credit: Harriet Blair Rowan/California Healthline