Section 405(d) alcohol-ignition interlock grant (23 C.F.R. § 1300.23(g); 23 U.S.C. § 405(d)(6)) ― incentive grant awarded to states with conforming alcohol-ignition interlock laws that may be used…

The National Highway Traffic Safety Administration awarded the Connecticut Department of Transportation $203,918.45 on October 1, 2025, under the Section 405(d) Alcohol-Ignition Interlock Grant, a formula grant component of the National Priority Safety Programs (CFDA 20.616).

The funding supports impaired driving countermeasures in Connecticut. Under the 405(d) program, qualifying states with conforming alcohol-ignition interlock laws may use these funds for adoption and enforcement of mandatory alcohol-ignition interlock laws, 24/7 sobriety programs, and other eligible countermeasures designed to reduce crashes, injuries, and fatalities resulting from motor vehicle crashes. Connecticut, as a qualifying state, receives this apportioned funding based on an approved Triennial Highway Safety Plan and Annual Grant Application that detail problem identification, countermeasure strategies, and planned projects.

The award period runs from October 1, 2025, through September 30, 2029. Work is performed at the Connecticut Department of Transportation in Newington, Connecticut. The funding is obligated at $203,918.45 and reimbursed on voucher claims submitted by the state covering incurred costs. Connecticut DOT, as the prime recipient of state and territorial apportioned highway safety funding, distributes formula grants to sub-recipients including municipalities and transit districts for eligible local transportation projects.

Section 405(d) alcohol-ignition interlock grant (23 C.F.R. § 1300.23(g); 23 U.S.C. § 405(d)(6)) ― incentive grant awarded to states with conforming alcohol-ignition interlock laws that may be used for any eligible use 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.