Greenbelt Lines
| P20, P21 | |||
|---|---|---|---|
| Greenbelt Road-New Carrollton Line Hanover Parkway-New Carrollton Line | |||
Former Route G14 operating along Greenbelt Road | |||
| Overview | |||
| System | Metrobus | ||
| Operator | Washington Metropolitan Area Transit Authority | ||
| Garage | Landover | ||
| Livery | Local | ||
| Status | Active | ||
| Began service | 1976 | ||
| Predecessors | C2, G12, G13, G14, G16, R11, R12, R15, T15, T16, T17 | ||
| Route | |||
| Locale | Prince George's County | ||
| Communities served | Lanham, Seabrook, New Carrollton, Greenbelt | ||
| Landmarks served | Greenbelt station, Old Greenbelt, Beltway Plaza (P20), Roosevelt Center, Goddard Space Flight Center (P20), Goddard Corporate Park (P20), Doctors Community Hospital (P21), New Carrollton station | ||
| Start | Greenbelt station | ||
| Via | Cherrywood Lane, Greenbelt Road, Ridge Road (P21), Lanham Severn Road (P20), Princess Garden Parkway (P21), Annapolis Road | ||
| End | New Carrollton station | ||
| Service | |||
| Level | Daily | ||
| Frequency | 30 minutes | ||
| Weekend frequency | 30-60 Minutes | ||
| Operates | 5:00 AM – 12:00 AM | ||
| Ridership | 345,797 (G12, FY 2024) 689,103 (G14, FY 2024) | ||
| Transfers | SmarTrip only | ||
| |||
The Greenbelt Lines designated as the Greenbelt Road-New Carrollton Line on Route P20, and Hanover Parkway-New Carrollton Line on Route P21, 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 and Silver Lines of the Washington Metro. Both routes provides service between New Carrollton and Greenbelt connecting travelers to both communities without having to enter Washington, D.C. by train.