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 Colorado Department of Transportation $3,077,217.45 on October 1, 2025, under the National Priority Safety Programs formula grant (CFDA 20.616), specifically for Section 405(d) Impaired Driving Countermeasures activities. The funding supports state impaired driving countermeasure programs, including adoption and enforcement of mandatory alcohol-ignition interlock laws and 24/7 sobriety programs, with performance measured against problem identification, public participation, and countermeasure strategies designed to reduce crashes, injuries, and fatalities from motor vehicle crashes. The award period runs through September 30, 2029, with place of performance in Denver, Colorado. Eligibility requires Colorado to meet statutory requirements for low-range, mid-range, or high-range impaired driving states as established under 23 U.S.C. Section 405(d) and implementing regulation 23 C.F.R. Section 1300.23. CDOT received the award based on an approved Triennial Highway Safety Plan and Annual Grant Application detailing planned projects and countermeasure strategies. The funding flows through CDOT's Highway Safety Office to sub-recipients and specialized contractors implementing occupant protection, safety education, and regional coordination initiatives.

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.