Wisconsin Avenue Line

31, 33
Wisconsin Avenue Line
Route 33 in Friendship Heights
Overview
SystemMetrobus
OperatorWashington Metropolitan Area Transit Authority
GarageWestern
LiveryLocal
StatusIn Service
Began service31: June 29, 2008
33: August 24, 2014
Route
LocaleMontgomery County, Maryland, Northwest, Northeast
Communities servedBethesda, Friendship Heights, McLean Gardens, Georgetown, Tenleytown, Foggy Bottom (31), Potomac Park (31), Mount Vernon Square (33)
Landmarks servedFriendship Heights station, Tenleytown–AU station, Washington National Cathedral, Georgetown, Foggy Bottom-GWU station (31), Potomac Park (31), Farragut West station (33), McPherson Square station (33), Union Station (33), Washington Union Station (33)
StartFriendship Heights station
ViaWisconsin Ave, 23rd Street NW (31), H Street NW (33 to Union Station), I Street NW (33 to Friendship Heights), Massachusetts Avenue (33)
End31 Potomac Park
33: Washington Union Station
Other routes32, 36
Service
Level31: Weekday Peak Hours Only
33: Daily
Frequency10 - 12 Minutes (7AM - 9PM)
20 minutes (after 9PM) (33 only)
Operates31: 6:05 AM - 8:50 AM
2:51 PM - 6:52 PM (Weekday Peak Hours Only)
33: 24 Hours
Ridership590,623 (31, FY 2024)
2,541,666 (33, FY 2024)
TransfersSmarTrip only
TimetableWisconsin Avenue Line
 29N  {{{system_nav}}}  32 

The Wisconsin Avenue Line, designated as Routes 31 or 33, is a daily bus route operated by the Washington Metropolitan Area Transit Authority. Its main purpose is to provide service to the upper Northwest side via Wisconsin Avenue NW.

Routes 31 and 33 operate between the Friendship Heights station of the Red Line of the Washington Metro and Potomac Park (31) or Washington Union Station (33), running every 10 to 12 minutes between 7 a.m. and 9 p.m. on weekdays. In addition, Route 33 operates on weekends every 10 minutes during the day and 15 - 20 minutes after 9 p.m. daily. Route 31 trips are roughly 45 minutes long, while Route 33 trips are 60 minutes long.

The routes operate out of WMATA's Western division, which uses New Flyer XD40 and XDE40 buses.