Ignition Interlock Device Laws

  • New Hampshire ignition interlock device law requires interlock devices installed for any driver convicted of DUI, even first-time offenders, in order for the driver to qualify for reinstatement of driving privileges.
  • The period of time during which the interlock device must remain installed ranges from 12 months to two years at the discretion of the court.
  • The offender is responsible for all installation fees, maintenance fees, and any other costs associated with the installation and operation of the device.

License Suspension

Administrative Suspension

DUI laws in New Hampshire state that drivers who are stopped for suspicion of DUI face an automatic, immediate administrative license suspension if they refuse to take a field breath test at the time of arrest or if they register a BAC of .08% or higher on that test.

If the driver does not successfully challenge the suspension within 30 days, the suspension will remain in effect for 180 days.

Judicial Suspension

Drivers who are convicted in court of DUI face additional court-ordered license suspensions and penalties.

DUI Penalties and Fees in New Hampshire

1st Offense Fine: Minimum $500
Jail Time: None
Period of License Suspension: 9 months – 2 years
2nd Offense Fine: Minimum $750
Jail Time: Minimum 10 days
Period of License Suspension: 3 years
3rd Offense Fine: Minimum $750
Jail Time: Minimum 180 days
Period of License Suspension: Indefinite
4th Offense Fine: Minimum $750
Jail Time: Minimum 180 days
Period of License Suspension: Indefinite

Get Your Suspended Drivers License Reinstated

Our goal is to get you back to the road safely and legally, here’s how to get your license back

Schedule Install New Hampshire License Reinstatement

Source(s): N.H. Rev. Stat. §§ 265-A:2, 265-A:3, 265-A:18, 265-A:36
New Hampshire Department of Safety: Division of Motor Vehicles. Financial Responsibility—Suspension/Revocations. Retrieved April 17, 2017 from http://www.nh.gov/safety/divisions/dmv/financial-responsibility/suspension/index.htm

Last Updated: November 13, 2019

This information was obtained from third party sites and is for informational purposes only. Although RoadGuard attempts to keep in the information up to date, it is provided "as-is" and RoadGuard disclaims all warranties, express and implied, including but not limited to its accuracy and completeness. Any reliance on this information is at your sole risk. The information is not intended as legal advice and should not be relied on as such. If you need advice concerning the State’s requirements or your personal obligations please consult with your monitoring authority, attorney or local court.