Documents

DRAFT Washington DC-MD-VA 2015 Ozone NAAQS Moderate Nonattainment Area Redesignation Request and Maintenance Plan

The District of Columbia, the State of Maryland, and the Commonwealth of Virginia request that the United States Environmental Protection Agency (USEPA) redesignate the Washington DC-MD-VA 2015 ozone National Ambient Air Quality Standard (NAAQS) moderate nonattainment area to attainment for this standard pursuant to the provisions under § 107 of the federal Clean Air Act (CAA).

Regional Transportation Resilience Economic Analysis

The Regional Transportation Resilience Economic Analysis project evaluated the costs of inaction and the benefits of proactive resilience investment across the National Capital Region’s transportation system.

TPB Congestion Management Process Technical Report

The TPB conducts a Congestion Management Process (CMP) to provide for safe and effective integrated management and operation of the National Capital Region's multimodal transportation system. The CMP Technical Report includes a Strategies Series, Technical Appendix, and CMP StoryMap.

Multifamily Rental Housing Construction Indicators Report

Information on the number, location, and size of new multifamily residential development projects in metropolitan Washington.

Homelessness in Metropolitan Washington: Results and Analysis from the Annual Point-in-Time (PIT) Count of Persons Experiencing Homelessness

This report contains specific findings and recommendations intended to aid and inform local, regional and federal policymakers as they consider new directions for addressing homelessness.

Commercial Construction Indicators Report

This report provides information on the number, location, structure type, and size of new commercial development projects in metropolitan Washington.

Pathways to Removing Obstacles to Housing (PRO Housing) Action Plan

In 2024, COG was awarded a $3.5 million Pathways to Remove Obstacles to Housing (PRO Housing) grant from the U.S. Housing of Urban Development. To expand housing supply, PRO Housing incentivizes housing-forward actions to further develop, evaluate, and implement housing policy plans; address restrictive zoning or land use; improve housing strategies; and facilitate affordable housing production and preservation.

Community-Wide Greenhouse Gas Emissions Inventory Summaries

COG completes greenhouse gas (GHG) community-scale inventories for all 24 local government members, northern Virginia, and metropolitan Washington. These fact sheets present GHG inventory results between 2005 and 2023.

COG FARM Local Food Procurement Challenge Factsheet

The Metropolitan Washington Council of Governments (COG) Food and Agriculture Regional Member (FARM) Policy Committee launched the Local Food Procurement Challenge (“the Challenge”) on December 5th, 2025. The Challenge invites member jurisdictions to strategically shift a portion of their existing food budgets toward locally and regionally grown and produced foods, advancing economic resilience, food security, environmental stewardship, and regional agricultural vitality.

Greenhouse Gas Emissions Inventories Methodology Guide

Federal Funding Obligation Report

​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.

Regional Roadway Safety Study Report

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.

COG Annual Report

In 2025, the Council of Governments drove regional progress through bold partnerships.

Member Benefits

Brochure highlights COG’s wide range of programs and services for its member governments, partner organizations, and the public.

State of Public Transportation Report

Report provides an overview of the state of regional public transportation in the National Capital Region.

Environmental Justice Toolkit

Guidance to policymakers on incorporating social equity, cultural sensitivity, and community health considerations into air quality, climate, and energy planning.

Visualize 2050 National Capital Region Transportation Plan

Final publication and supporting documents for Visualize 2050, the federally required metropolitan transportation plan for the National Capital Region, which was approved by the National Capital Region Transportation Planning Board (TPB) in December 2025.

2025 TPB Annual Report

State of the Commute Survey Report

Commuter Connections State of the Commute (SOC) Report is produced every three years tracking a wide range of transportation information and assistance services designed to inform Washington DC area commuters of the availability and benefits of alternatives to driving alone and to assist them to find alternatives that fit their commute needs.

COG Legislative Priorities

The legislative priorities approved by the COG Board of Directors focus on advancing shared regional goals.