H Street Line

D20
H Street Line
Route D20 at Gallery Place-Chinatown
Overview
System	Metrobus
Operator	Washington Metropolitan Area Transit Authority
Garage	Andrews Federal Center Bladensburg (Late nights)
Livery	Local
Status	In Service
Began service	1920
Predecessors	X2
Route
Locale	Northwest, Northeast
Communities served	Central Northeast, Downtown, Chinatown
Landmarks served	Minnesota Avenue station, Benning Road, Hechinger Mall, H Street, Washington Union Station, Union Station, Government Publishing Office, Gallery Place station, Capital One Arena, Metro Center station, McPherson Square station, Franklin Square, White House, Lafayette Square, Farragut Square, Farragut West station, Farragut North station, Foggy Bottom station
Start	Minnesota Avenue station
Via	H Street NW/NE, Benning Road NE
End	Farragut Square Foggy Bottom station (Late Night & Early Morning)
Other routes	D2X H Street Limited
Service
Level	Daily
Frequency	10-12 minutes (7:00 AM - 9:00 PM) 15-20 minutes (Between 9:00 PM – 7:00 AM)
Operates	24 Hours
Ridership	3,493,072 (FY 2025)
Transfers	SmarTrip only
Timetable	Benning Road-H Street Line
Route map ← D1X  {{{system_nav}}}  D24 →

The H Street Line, designated Route D20, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Minnesota Avenue station, which is served by the Orange and Silver Lines of the Washington Metro and Farragut Square in Downtown Washington. Late night and early morning trips are extended to Foggy Bottom station, which is served by the Blue, Orange and Silver Lines of the Washington Metro. The line operates every 10–12 minutes daily and 15–20 minutes during late nights. Trips are roughly 45 minutes long.