Section 405(d) impaired driving countermeasures grant (23 C.F.R. § 1300.23; 23 U.S.C. § 405(d)) ― grant to support certain costs of state impaired driving countermeasures programs consistent…

The National Highway Traffic Safety Administration awarded the Office of Highway Safety $1,485,270.03 on October 1, 2025, under the Section 405(d) Impaired Driving Countermeasures Grant program (CFDA 20.616, National Priority Safety Programs).

The award funds impaired driving countermeasures consistent with 23 C.F.R. 1300.23(j), including adoption and enforcement of mandatory alcohol-ignition interlock laws and 24/7 sobriety programs. Qualifying states must meet statutory requirements and submit an approved triennial highway safety plan detailing problem identification, public participation, performance measures, and countermeasure strategies, along with an approved annual grant application identifying specific projects designed to reduce crashes, injuries, and fatalities from motor vehicle crashes.

The Office of Highway Safety, the New Hampshire State Highway Safety Office located in Concord, received the award. The period of performance runs through September 30, 2029. Funds are apportioned using a statutory formula and reimbursed on claims submitted in vouchers covering costs incurred. Sub-recipients supporting implementation include the New Hampshire Department of Safety, the Department of Justice Office of the Attorney General, Dartmouth-Hitchcock Medical Center, and municipal police departments throughout the state.

Section 405(d) impaired driving countermeasures grant (23 C.F.R. § 1300.23; 23 U.S.C. § 405(d)) ― grant to support certain costs of state impaired driving countermeasures programs consistent with 23 C.F.R. § 1300.23(j). 405(d) funding is used for impaired driving countermeasures. Qualifying states must meet statutory requirements and can also receive funding for adoption and enforcement a mandatory alcohol-ignition interlock laws and 24/7 sobriety programs. These funds are apportioned using statutory apportionment formula. These funds are provided to the state and territorial highway safety offices based on an approved triennial highway safety plan that details problem identification, public participation and engagement, performance measures, countermeasure strategies for programming funds and an approved annual grant application that details planned projects using identified countermeasure strategies for programming funds to help reduce crashes, injuries and fatalities resulting from motor vehicle crashes.