Carroll County is a standing member of the metropolitan planning organization (MPO) known as the Baltimore Regional Transportation Board (BRTB). The BRTB is the federally designated forum for cooperative transportation decision making in the metropolitan area. Federal transportation funds are passed through the MPO for State and local transportation projects. The members of the BRTB include the Mayors of Annapolis and Baltimore City; the executives of Anne Arundel, Baltimore, Harford, and Howard Counties; the president of the Carroll County Board of Commissioners; and the secretaries of the Maryland Departments of Transportation, Planning, and the Environment. The BRTB meets monthly. The Honorable Julia W. Gouge represents Carroll County on the BRTB. Her empowered representative, who attends meetings in her absence, is Frank Johnson, Senior Assistant County Attorney, Department of the County Attorney.

Carroll County Planning staff members participate in the regional planning process by representing the County on many of the BRTB sponsored committees/subcommittees.

Derek Meyers represents Carroll County on the Technical Committee. This committee is responsible for performing work efforts outlined in the annual Unified Planning Work Program (UPWP) and for reviewing/coordinating UPWP efforts by the Baltimore Metropolitan Council staff.

Scott Graf is a member of the Cooperative Forecasting Group. This group develops annual projections of population, households, and employment for the region, each member jurisdiction, and for small area transportation analysis zones for use in transportation modeling.

Derek Meyers is a member of the Travel Analysis Advisory Group. This group oversees the development of data required and used in the transportation modeling. These models project transportation impacts and provide analysis for efforts required in support of the regional transportation plan.

Steve Horn, Carroll County Planning Director, is a member of the Planning Directors Committee which addresses the connection between land use and transportation needs.

Frank Johnson is a member of the Budget Subcommittee. This subcommittee audits the UPWP expenditures and work products of each member jurisdiction for compliance with the approved work program.