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 Missouri Department of Transportation $4,174,522.58 on October 1, 2025, under the Section 405(d) Impaired Driving Countermeasures Grant program (CFDA 20.616, National Priority Safety Programs), with performance through September 30, 2029.

The award funds state impaired driving countermeasures programs, including adoption and enforcement of mandatory alcohol-ignition interlock laws and 24/7 sobriety programs. Missouri qualifies under statutory requirements and apportionment formulas. The recipient implements countermeasure strategies detailed in an approved Annual Grant Application and Triennial Highway Safety Plan to reduce motor vehicle crashes, injuries, and fatalities.

MoDOT administers the grant from Jefferson City, Missouri. The agency submits reimbursement claims via the Electronic Transfer of Funds method as costs are incurred. MoDOT must retain all project records, contracts, financial documents, and supporting materials for three years following submission of the final expenditure report.

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.