About Us

COG is the one place in metropolitan Washington that regularly brings leaders together to develop solutions to the region's major challenges. COG prepares plans enabling the region to receive federal funding, provides members with research and data to inform decision-making, and offers a wide range of programs, including commuter services, cooperative purchasing, technical assistance and grants, and public outreach campaigns.

Transportation

Through the National Capital Region Transportation Planning Board (TPB), area officials, planners, and engineers ensure a well-managed and maintained transportation system. The TPB, which is staffed by COG, conducts the federally mandated transportation planning process for the region and ensures the uninterrupted flow of federal transportation funds that area jurisdictions receive.

Environment

COG's work engages leaders in various environmental fields from water quality experts to climate scientists. Together, they are advancing regional efforts to restore local waterways, improve air quality, reduce greenhouse gas emissions and address climate change, promote recycling, and enhance and preserve green space and agriculture.

Community & Economy

Area officials and experts, including planning and housing directors and child welfare and health officials, work together with their counterparts at COG to help shape stronger communities throughout the region.

Homeland Security & Public Safety

COG brings police chiefs, fire chiefs, emergency managers, and other leaders together as part of its work to strengthen regional public safety coordination, homeland security planning, and emergency communication.

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Publications

State of Public Transportation Report
Feb 9, 2026
Report provides an overview of the state of regional public transportation in the National Capital Region.
Publications

Member Benefits
Feb 11, 2026
Brochure highlights COG’s wide range of programs and services for its member governments, partner organizations, and the public.
Publications

COG Annual Report
Feb 11, 2026
In 2025, the Council of Governments drove regional progress through bold partnerships.
Other Documents

COG By-Laws
Feb 19, 2026
By-Laws of the Metropolitan Washington Council of Governments.
Letters/Memos

Regional Sewer Infrastructure, Water Quality, and Ongoing Repair Work
Feb 20, 2026
Memo related to the Potomac Interceptor Sewer Pipeline Collapse.
Publications

Regional Roadway Safety Study Report
Feb 25, 2026
The Regional Roadway Safety Study analyzes the factors and trends contributing to fatal and serious injury crashes across the TPB region. The report provides recommendations to significantly improve safety for users of the regional transportation network.
Publications

Federal Funding Obligation Report
Feb 27, 2026
The TPB is required, under the authorized transportation bill, Fixing America's Surface Transportation (FAST) Act, to publish an annual listing of projects which funds have been obligated in the preceding year as a record of project delivery and progress report for public information and disclosure.

Results: 2810 Records found.

Documents

State of Public Transportation Report

Member Benefits

COG Annual Report

COG By-Laws

Regional Sewer Infrastructure, Water Quality, and Ongoing Repair Work

Regional Roadway Safety Study Report

Federal Funding Obligation Report