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.
Featured Pages: About COG | Member Jurisdictions | Cooperative Purchasing | Metro and DMVMoves | Collaboration in Action video series
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.
Featured Pages: Transportation Planning Board (TPB) | Street Smart Safety Campaign | Metro and DMVMoves
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.
Featured Pages: Air Quality Forecast | Regional Drought and Water Supply Status | Electric Vehicle Deployment Clearinghouse & EV Checklist
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.
Featured Pages: Cooperative Forecast | Homelessness in Metropolitan Washington Report | Economic Trends Dashboard | Federal Workforce Resources and Data Dashboard
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.
Featured Pages: Public Safety Program | Homeland Security and Policy | DCA First Responders Recognition | Leadership Training Seminar | Regional Crime Dashboard
By-Laws of the Metropolitan Washington Council of Governments. Last revision: February 2026.