Transportation

Through the National Capital Region Transportation Planning Board at COG, area officials, planners, and engineers focus on significant challenges like roadway and transit congestion, efficient freight movement, and safety. Learn more about COG's transportation planning areas. Learn more about the TPB.

Environment

COG's work engages leaders in various environmental fields from water quality experts to urban foresters. Together, they are advancing regional efforts to restore local waterways, reduce air pollution, increase renewable energy use, promote recycling, and enhance and preserve green space and agriculture. Learn more.

Homeland Security & Public Safety

Data & Tools

Featured Tool: RICCS

COG created and maintains the Regional Incident Communication and Coordination System (RICCS), a 24/7 system that helps officials communicate during emergencies. The system, used daily, has about 1,500 users in more than 50 groups and delivers more than 1,600 messages per year.