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

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.

Transportation

Ground Access Travel Time Study & Forecasts

Travel Time Study

The purpose of the airport ground access travel time study is to analyze travel time and changes in peak-period delay and level of service on principal airport-serving roadways from selected activity centers to the three commercial airports as well as changes in airport accessibility due to highway and transit improvements. Ground Access Travel Time studies were conducted in 1989, 1995, 2003, and 2011.

Washington-Baltimore Regional Airport Ground Access Travel Time Study

Ground Access Forecasts

The forecast presents detailed average weekday local originating air passenger ground access trips from 160 local area Aviation Analysis Zones (AAZ) to each of the region's three commercial airports. The forecasts are further broken out by major ground access mode for each local AAZ to airport origin-destination pair. These ground access forecasts are used as inputs for the triennial update of the TPB's Constrained Long Range Plan and as the basis for revising the Ground Access Element of the CASP Regional Airport System Plan.

Washington-Baltimore Regional Airports Air Passenger Ground Access Forecast Update