New Hampshire Avenue Express

M6X
New Hampshire Avenue Express
Route K9 at Fort Totten station in 2018
Overview
SystemMetrobus
OperatorWashington Metropolitan Area Transit Authority
GarageMontgomery
LiveryMetroExtra
StatusIn Service
Began serviceDecember 30, 2012
PredecessorsK9
Route
LocaleNortheast, Prince George's County, Montgomery County
Communities servedFort Totten, Chillum, Langley Park, Adelphi, Takoma Park, Hillandale, White Oak
Landmarks servedFederal Research Center / Food and Drug Administration, Northwest Park, Langley Park, Takoma Langley Crossroads Transit Center, Chillum, Fort Totten station
StartFort Totten station
ViaNew Hampshire Avenue
EndFood and Drug Administration
Length30 - 35 minutes
Other routesM60 New Hampshire Avenue Local
Service
Frequency15 minutes
Operates5:21 AM - 9:00 AM
3:20 PM - 6:50 PM
Ridership226,992 (FY 2024)
TransfersSmarTrip only
TimetableNew Hampshire Avenue–Maryland Limited Line
← M60  {{{system_nav}}}  M70 →

The New Hampshire Avenue Express, designated Route M6X, is a limited-stop Metrobus route operated by the Washington Metropolitan Area Transit Authority between the Fort Totten station of the Red, Green and Yellow Lines of the Washington Metro and the Food and Drug Administration in White Oak, Maryland. The line operates every 16–20 minutes during weekday peak-hours only. Route M6X trips are roughly 30 – 35 minutes.