Highway Safety Improvement Program

The Highway Safety Improvement Program (HSIP), Section 148 of Title 23, United States Code (23 U.S.C §148), is a core Federal-aid program with the purpose of achieving significant reduction in fatalities and serious injuries on all public roadways, including non-State owned roads and roads on tribal land. The Colorado HSIP, administered by CDOT, requires a data-driven, strategic approach to improving highway safety on all public roads with a focus on performance to support zero deaths and serious injuries on Colorado roads.

Local Agency Grant Application Status

Application review for Fiscal Year 2029 HSIP local agency projects have been completed. Award notices to applicants have been issued.

Fiscal Year 2029 Summary: 

• 45 HSIP application received (30 different local agencies)
• 23 HSIP application awarded (19 different local agencies)
• Total Amount Awarded: $19,552,691

The next grant application cycle for Fiscal Year 2030 HSIP local agency projects is expected to begin in December 2026.

 HSIP Local Agency Notice of Funding Opportunity Letter for FY 2029

 FHWA Proven Safety Countermeasures