Transportation Conformity Working Group
The Transportation Conformity Working Group (TCWG) is a regional forum for interagency consultation and coordination to maintain transportation conformity and improve air quality in Southern California.
The TCWG meets monthly to facilitate inclusive transportation and air quality planning processes and to fulfill the interagency consultation requirements of Federal Transportation Conformity Regulations. The group helps resolve regional issues pertaining to transportation conformity and coordinates with the Statewide Transportation Conformity Working Group.
Membership of the TCWG includes federal (U.S. Environmental Protection Agency, Federal Highway Administration, Federal Transit Administration), state (California Air Resources Board, Caltrans), regional (air quality management districts, SCAG), and subregional (county transportation commissions) agencies and other stakeholders.
Staff Contact
Lijin Sun
(213) 236-1804
sunl@scag.ca.gov
California State Budget Reduces Barriers to Housing Production and Extends Deadline for Regional Early Action Planning (REAP 2.0) Program
Earlier this week, the governor signed the 2025-2026 state budget, which includes a suite of reforms to reduce barriers to housing production.
Connect SoCal 2024 Implementation Update: Sustainable Communities Strategy Accepted
On May 7, the California Air Resources Board (CARB) informed SCAG that it had accepted SCAG’s determination that the Connect SoCal 2024 Regional Transportation Plan/Sustainable Communities Strategy (RTP/SCS) meets CARB’s greenhouse gas (GHG) emission reduction targets.
General Assembly Elects 2025-26 Board Officers
The General Assembly voted to approve the nominations for the SCAG 2025-26 Regional Council officers as recommended by the Regional Council: Hon. Cindy Allen (City of Long Beach) will serve as 2025-26 Regional Council president; Hon. Ray Marquez (City of Chino Hills) will serve as Regional Council first vice president; and Hon. Jenny Crosswhite (City of Santa Paula) will serve as Regional Council second vice president. Leadership also recognized Hon.
Surface Transportation Block Grant and Congestion Mitigation and Air Quality Improvement Program Call for Project Nominations Now Open
The federal fiscal year 2026-27 and federal fiscal year 2027-28 Surface Transportation Block Grant program (STBG) and Congestion Mitigation and Air Quality Improvement program (CMAQ) SCAG online application opened for all eligible applicants on March 31. This application will be available through May 16 at 5 p.m.
Surface Transportation Block Grant and Congestion Mitigation and Air Quality Improvement Program Guidelines Now Available
On March 6, the SCAG Regional Council approved the federal fiscal year 2026-27 and federal fiscal year 2027-28 Surface Transportation Block Grant program (STBG) and Congestion Mitigation and Air Quality Improvement program (CMAQ) Program Guidelines.
| Title | Date | Category | Available Files |
|---|---|---|---|
| TCWG April 27, 2021 Meeting Agenda | 04/27/2021 | Agenda | |
| TCWG April 27, 2021 Meeting Minutes | 04/27/2021 | Minutes | |
| TCWG March 23, 2021 Meeting Agenda | 03/23/2021 | Agenda | |
| TCWG March 23, 2021 Meeting Minutes | 03/23/2021 | Minutes | |
| Interim IAC SCAG Focus Group March 17, 2021 Meeting Notes | 03/17/2021 | Minutes | |
| TCWG February 23, 2021 Meeting Agenda | 02/23/2021 | Agenda | |
| TCWG February 23, 2021 Meeting Minutes | 02/23/2021 | Minutes | |
| TCWG January 26, 2021 Meeting Agenda | 01/26/2021 | Agenda | |
| TCWG January 26, 2021 Meeting Minutes | 01/26/2021 | Minutes | |
| TCWG December 8, 2020 Meeting Agenda | 12/08/2020 | Agenda | |
| TCWG December 8, 2020 Meeting Minutes | 12/08/2020 | Minutes | |
| Base Year for SCAG 2024 RTP/SCS | 10/27/2020 | Presentation | |
| October 27, 2020 TCWG Meeting Agenda | 10/27/2020 | Agenda | |
| October 27, 2020 TCWG Meeting Presentation | 10/27/2020 | Presentation | |
| TCWG October 27, 2020 Meeting Minutes | 10/27/2020 | Minutes | |
| September 22, 2020 TCWG Meeting Agenda | 09/22/2020 | Agenda | |
| September 22, 2020 TCWG Meeting Minutes | 09/22/2020 | Minutes | |
| August 25, 2020 TCWG Meeting Agenda | 08/25/2020 | Agenda | |
| August 25, 2020 TCWG Meeting Minutes | 08/25/2020 | Minutes | |
| July 28, 2020 TCWG Meeting Agenda | 07/28/2020 | Agenda | |
| July 28, 2020 TCWG Meeting Minutes | 07/28/2020 | Minutes | |
| June 23, 2020 TCWG Meeting Agenda | 06/23/2020 | Agenda | |
| June 23, 2020 TCWG Meeting Minutes | 06/23/2020 | Minutes | |
| June 23, 2020 TCWG Presentation | 06/23/2020 | Agenda | |
| May 26, 2020 TCWG Meeting Agenda | 05/26/2020 | Agenda | |
| May 26, 2020 TCWG Meeting Minutes | 05/26/2020 | Minutes | |
| April 28, 2020 TCWG Meeting Agenda | 04/28/2020 | Agenda | |
| April 28, 2020 TCWG Meeting Minutes | 04/28/2020 | Minutes | |
| March 24, 2020 TCWG Meeting Agenda | 03/24/2020 | Agenda | |
| March 24, 2020 TCWG Meeting Minutes | 03/24/2020 | Minutes |