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New Mexico Interlock Program The Most Effective So Far. Richard Roth, PhD. Executive Director, Impact DWI Research Supported By NM TSB, PIRE, NHTSA, and RWJ. Measures of Program Effectiveness. 32% of all persons arrested for DWI are installing interlocks.

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new mexico interlock program the most effective so far

New Mexico Interlock ProgramThe Most Effective So Far

Richard Roth, PhD.

Executive Director, Impact DWI

Research Supported By

NM TSB, PIRE, NHTSA, and RWJ

New Mexico Interlock Program Dick Roth

measures of program effectiveness
Measures of Program Effectiveness
  • 32% of all persons arrested for DWI are installing interlocks.
  • More currently-installed interlocks per capita than any other state or nation.
  • Recidivism of interlocked offenders is reduced by 65%.
  • Overall statewide recidivism is 30% lower since 2002.
  • Alcohol Involved Crashes are down 30% in 4 years
  • Alcohol Involved Injuries are down 32% in 4 years.
  • Alcohol Involved Fatalities are down 22% in 5 years.

New Mexico Interlock Program Dick Roth

the new mexico laws
The New Mexico Laws
  • 1999 Optional Judicial Mandate for 2nd and 3rd DWI
  • 2002 Mandatory Sentence for 1st Aggravated and All Subsequent Offenders.
  • 2002 Indigent Fund
  • 2003 Ignition Interlock License available for all revoked offenders with no waiting period.
  • 2005 Mandatory Sentence: 1 yr for 1st; 2 yrs for 2nd; 3 yrs for 3rd; and lifetime with 5 yr review for 4 or more.
  • 2005 ALR and JLR periods increased

New Mexico Interlock Program Dick Roth

1999 2002 optional judicial sanction for 2 nd and 3 rd dwi offenders
1999-2002 Optional Judicial Sanction For 2nd and 3rd DWI Offenders
  • Only 150 interlocks installed per year. (~4000 2nd or 3rd convictions per year)
  • Judges were reluctant to mandate interlocks for offenders who could not get a license to drive the interlocked vehicle.
  • Interlocked offenders did have a 65% lower re-arrest rate while interlocks were installed.

Roth, R., Voas, R., Marques, P. Mandating Interlocks for Fully Suspended Offenders: The New Mexico Experience. Traffic Injury Prevention, 8, 20-25.

New Mexico Interlock Program Dick Roth

2003 5 mandatory judicial sanction for 1 st aggravated and above
2003-5 Mandatory Judicial Sanctionfor 1st Aggravated and above,
  • Installation rate jumped from 150/yr to 1000 per year.
  • Judges were still reluctant to mandate interlocks for offenders who could not drive legally at all.
  • Many judges felt that they had to apply an additional sanction when interlocked offenders were prevented from driving because of a BAC > 0.025%.
  • Non-interlocked offenders continued to have 3 times the DWI re-arrest rate of interlocked offenders.

New Mexico Interlock Program Dick Roth

june 2003 ignition interlock license act for revoked offenders
June, 2003 Ignition Interlock License Actfor Revoked Offenders
  • IILA reduced reluctance of judges to mandate interlocks.
  • Some (10%) of those on 10 year revocation for having had 3 DWI convictions in 10 years took advantage of IILA to drive legally when sober.
  • Others installed to drive legally before adjudication.
  • Installation Rate jumped from 1000/yr to 3000/yr
  • Volunteers were a very self-selected group and it was no surprise that they had an even lower re-arrest rate than mandated offenders.
  • One problem was that many 1st Ag’s were pled down.

New Mexico Interlock Program Dick Roth

slide7
June 17, 2005Mandatory Judicial Sanction1 yr for 1st, 2yrs for 2nd , 3 yrs for 3rd, lifetime with 5 yr review for 4th+;
  • Installation rate rose from 3000 to 6000 per year.
  • 6000/ 19,000 DWI arrests = 32%
  • 6000/12,000 DWI Convictions = 0.50
  • Same 65% reductions in re-arrest rate
  • Major Remaining Loophole: No equivalent sanction for those who claim “no car”, but are 3 times more likely to be re-arrested.

Richard Roth; Robert Voas; Paul Marques. Interlocks for First Offenders: Effective? Traffic Injury Prevention.December 2007. 8:4, 346-352

New Mexico Interlock Program Dick Roth

slide8
Publicity, Increased Enforcement, and Forfeiture Ordinances also contributed to the declines in the the measures of drunk driving.

New Mexico Interlock Program Dick Roth

what we have learned in nm
What We Have Learned in NM
  • Judicial Mandates get more interlocks installed than Administrative requirements. 3 to 1 in NM.
  • First offenders must be included because they are 60% to 80% of all DWI offenders, and almost as likely to be re-arrested as subsequent offenders.
  • There must be an Interlock License available ASAP.
  • Revoked offenders are 3 times more likely to be re-arrested for DWI than interlocked offenders.
  • Hard revocation periods just teach offenders that they can drive without being arrested.

New Mexico Interlock Program Dick Roth

loopholes that remain in nm
Loopholes that Remain in NM
  • “No Car” excuse.
  • No interlock between arrest and adjudication (Learning, DWI, Absconding)
  • Possibility of waiting out revocation period without interlock (for “no car”, not-convicted, and absconders)

New Mexico Interlock Program Dick Roth

nm loophole fixes
NM Loophole Fixes
  • For those who claim “no car”, a fee equal to the cost of an interlock for supervised probation of the offender or an equally costly daily home BAC test.
  • Vehicle Immobilization or Interlock between arrest and adjudication.
  • No full license reinstatement without a mandatory interlock period.

New Mexico Interlock Program Dick Roth

model program recommendation
Model Program Recommendation
  • Administrative: After ALR, No full license reinstatement without period of alcohol free driving in an interlocked vehicle. (1 yr no BAC>0.05 by any driver)
  • Judicial: Mandatory Interlock for all convicted offenders, minimum 1 yr of alcohol free driving.
  • Vehicle immobilization or interlock between arrest and adjudication.
  • An indigent fund with objective standards.
  • Vehicle forfeiture for driving a non-interlocked vehicle while revoked.

New Mexico Interlock Program Dick Roth

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