Federal Fiscal Year 2026-2027 & 2027-2028 Surface Transportation Block Grant / Congestion Mitigation and Air Quality Program
Overview
The Orange County Transportation Authority (OCTA), as County Transportation Commission (CTC), is responsible for prioritizing projects for Surface Transportation Block Grant Program (STBG) and Congestion Mitigation and Air Quality Improvement Program (CMAQ) funds for Orange County to participate in the Southern California Association of Governments (SCAG) Call for Project Nominations. OCTA has developed Orange County prioritization guidance for the Federal Fiscal Year (FFY) 2026-2027 and FFY 2027-2028 STBG/CMAQ Call for Project Nominations.
Announcements
On March 10, 2025, the OCTA Board of Directors’ (Board) approved the FFY 2026-2027 and FFY 2027-2028 Surface Transportation Block Grant / Congestion Mitigation and Air Quality Improvement Program Prioritization Guidance – Orange County Transportation Authority Ranking Criteria.
Schedule (Subject to Change)
|
Program Activity
|
Date
|
|---|---|
| Program Guidelines adoption by SCAG Regional Council | March 6, 2025 |
| Project Nominations Application Open for Submittal | March 31, 2025 |
| Local Agency Application Submission Deadline | May 16, 2025, 5 pm |
| OCTA Project Prioritization Scoring and Eligibility Reviews | May-June 2025 |
| OCTA Board STBG/CMAQ Program Project Prioritization | July 14, 2025 |
| CTC Project Prioritization Packages Due to SCAG | August 1, 2025, 5 pm |
| SCAG RC Awards | November 6, 2025, or December 3, 2025 |
Application Materials
- SCAG Website: Surface Transportation Block Grant Program & Congestion Mitigation and Air Quality Improvement Program - Southern California Association of Governments
- Final Guidelines: FFY 2026-2027 & FFY 2027-2028 STBG/CMAQ Program Guidelines, March 2025
- Link to Application Database: Click here (Pending)
Submittal Instructions
No hard copy applications will be accepted. Electronic project applications must be submitted via Application Database (Pending).
Program Workshops, Office Hours and Workshop Materials
SCAG will host virtual workshops on March 12, 2025, 2-4 pm and March 18, 2025 10 am – 12 pm to cover SCAG’s recently approved program guidelines, application process, and deadlines. Additional application office hours are available upon request.
- Click here to register
SCAG and OCTA will be hosting one Orange County specific virtual program information session on March 19th, 2025, 11 am – 12 pm.
- Click here to sign up for the meeting.
Additional Resources
- Application Criteria
- Tools