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Architecture Elements

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Architecture Elements

There have been several changes since the Southern California Regional ITS Architecture was first developed in 2005. The National ITS Architecture has been updated to reflect new user services, Southern California has continued as a national leader in ITS deployment with extensive ITS investments, and new technology applications have emerged. The 2011 update to the Southern California Regional ITS Architecture reflects changes since 2005 and positions the architecture to guide future ITS deployments as new technologies emerge.

Topics covered in the 2011 update include express lanes, positive train control, technologies in support of non-motorized transport, and goods movement in addition to the updates for other cross-county services such as to address traveler information, regional data exchange and archiving of regional data. Additionally, recommendations are made to subregional (county-level) ITS Architecture champions for their consideration in the event that changes are desired to be made at the county level for the associated topic. The Southern California Regional ITS Architecture leverages long standing investments in ITS by fostering coordination and cooperation among public agency stakeholders.

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Executive Director’s Monthly Report, November 2024

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.

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Executive Director’s Monthly Report, November 2024

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.

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Executive Director’s Monthly Report, November 2024

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.

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Executive Director’s Monthly Report, November 2024

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.

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Executive Director’s Monthly Report, November 2024

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.

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