The Greenbelt–New Carrollton Line, designated Route G12, and Greenbelt Road-Good Luck Road Line, designated Route G14, are daily bus routes operated by the Washington Metropolitan Area Transit Authority between Greenbelt station of the Green, and Yellow Lines of Washington Metro and New Carrollton station of the Orange Line of the Washington Metro. The line operates every 30 minutes during peak hours and 60 minutes all other times. Both Route G12 and G14 trips are roughly 55 minutes long. Both routes provide service between New Carrollton and Greenbelt connecting travelers to both communities without having to enter Washington, D.C. by train.