Massachusetts Avenue Line
| D90, D96 | |||
|---|---|---|---|
| Massachusetts Avenue–Tenleytown Line Massachusetts Avenue–Bethesda Line | |||
Route N4 at Friendship Heights station | |||
| Overview | |||
| System | Metrobus | ||
| Operator | Washington Metropolitan Area Transit Authority | ||
| Garage | Western | ||
| Livery | Local | ||
| Status | In service | ||
| Began service | 1908 as a streetcar route D90, D96: June 29, 2025 | ||
| Ended service | N2, N4, N6: June 29, 2025 | ||
| Route | |||
| Locale | Montgomery County, Maryland, Northwest | ||
| Communities served | Bethesda (D96), Friendship Heights (D96), Tenleytown (D90), American University Park, Spring Valley (D96), Wesley Heights (D96), Glover Park (D96), Dupont Circle, Downtown, Mount Vernon Square (D90), Potomac Park (D96) | ||
| Landmarks served | Bethesda station (D96), Friendship Heights station (D96), Tenleytown–AU station (D90), American University, Ward Circle, Washington National Cathedral (D90), Embassy Row (D90), Dupont Circle station, Farragut North station (D96), Farragut West station (D96), Farragut Square (D96), Walter E. Washington Convention Center (D90) | ||
| Start | D90: Tenleytown–AU station D96: Bethesda station | ||
| Via | Wisconsin Avenue (D96), Western Avenue (D96), Nebraska Avenue NW (D90), Massachusetts Avenue, New Mexico Avenue NW, Q Street NW (D96) | ||
| End | D90: Mount Vernon Square D96: Potomac Park (weekdays) Dupont Circle (weekends) | ||
| Service | |||
| Level | Daily | ||
| Frequency | 20-30 minutes (Weekdays), 30 minutes (Weekends) | ||
| Operates | D90: 5:30 AM-12:00 AM (Weekdays), 7:00 AM-9:30 PM (weekends) D96: 5:30 AM-12:00 AM (weekdays), 7:00 AM-12:00 AM (Saturday), 7:00 AM-11:00 PM (Sunday) | ||
| Ridership | 333,906 (N2, FY 2024) 334,460 (N4, FY 2024) 148,854 (N6, FY 2024) | ||
| Transfers | SmarTrip only | ||
| Timetable | Massachusetts Avenue Line | ||
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The Massachusetts Avenue Line, designated as the Massachusetts Avenue–Tenleytown Line on Route D90, and Massachusetts Avenue–Bethesda Line on Route D96, are daily bus routes operated by the Washington Metropolitan Area Transit Authority, running primarily along Massachusetts Avenue in Washington DC. Route D90 operates between Tenleytown–AU station on the Red Line of the Washington Metro, and Mount Vernon Square in Downtown Washington, DC. Route D96 operates between Bethesda Station and Potomac Park on weekdays, with trips ending at Dupont Circle on weekends. Both routes operate every 20 minutes during rush hour, every 20-30 minutes weekday off-peak, and every 30 minutes at all other times. Route D90 trips take roughly 50 minutes while D96 trips take roughly 75 minutes. Routes D90 and D96 replaced former routes N2, N4, and N6 on June 29, 2025.