Transportation Conformity Working Group - 2020 - 2017
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.
Pagination
Title | Date | Category | Available Files |
---|---|---|---|
January 27, 2015 TCWG Meeting Agenda | 01/27/2015 | Agenda | |
January 27, 2015 TCWG Meeting Minutes | 01/27/2015 | Minutes | |
January 27, 2015 TCWG Meeting SANBAG TCM Substitution Request | 01/27/2015 | Presentation | |
December 2, 2014 TCWG Meeting Agenda | 12/02/2014 | Agenda | |
December 2, 2014 TCWG Meeting Minutes | 12/02/2014 | Minutes | |
December 2, 2014 TCWG Meeting Preliminary TCM Substitution Technical Analysis | 12/02/2014 | Presentation | |
December 2, 2014 TCWG Meeting Preliminary TCM Substitution Technical Analysis Presentation | 12/02/2014 | Presentation | |
October 28, 2014 TCWG Agenda | 10/28/2014 | Agenda | |
October 28, 2014 TCWG Meeting Minutes | 10/28/2014 | Minutes | |
September 23, 2014 TCWG Agenda | 09/23/2014 | Agenda | |
September 23, 2014 TCWG Meeting Minutes | 09/23/2014 | Minutes | |
August 26, 2014 TCWG Minutes | 08/26/2014 | Minutes | |
TCWG August 26, 2014 Agenda | 08/26/2014 | Agenda | |
TCWG July 22, 2014 Agenda | 07/22/2014 | Agenda | |
TCWG July 22, 2014 Minutes | 07/22/2014 | Minutes | |
TCWG June 24, 2014 Agenda | 06/24/2014 | Agenda | |
TCWG June 24, 2014 Draft Conformity Analysis for 2015 FTIP | 06/24/2014 | Presentation | |
TCWG June 24, 2014 Draft Conformity Analysis for Amendment No. 2 to 2012-2035 RTP/SCS | 06/24/2014 | Presentation | |
TCWG June 24, 2014 Minutes | 06/24/2014 | Minutes | |
TCWG May 27, 2014 Agenda | 05/27/2014 | Agenda | |
TCWG May 27, 2014 Minutes | 05/27/2014 | Minutes | |
TCWG April 22, 2014 Agenda | 04/22/2014 | Agenda | |
TCWG April 22, 2014 Minutes | 04/22/2014 | Minutes | |
TCWG March 25, 2014 Agenda | 03/25/2014 | Agenda | |
TCWG March 25, 2014 Minutes | 03/25/2014 | Minutes | |
TCWG March 25, 2014 Stand-Alone HOV Metered Ramps Clarification | 03/25/2014 | Presentation | |
TCWG February 25, 2014 Agenda | 02/25/2014 | Agenda | |
TCWG February 25, 2014 Minutes | 02/25/2014 | Minutes | |
TCWG February 25, 2014 Notice of Availability of the Draft 2014 Public Participation Plan | 02/25/2014 | Presentation | |
TCWG February 25, 2014 SCAG Draft 2014 Public Participation Plan | 02/25/2014 | Presentation |