Columbia Pike–Pentagon Line

F44
Columbia Pike–Pentagon Line
An unrehabbed 2006 Orion VII CNG running on the 16A in 2010
Overview
SystemMetrobus
OperatorWashington Metropolitan Area Transit Authority
GarageFour Mile Run
LiveryLocal
StatusIn Service
Began service1921
Ended service16D: March 29, 2015
16B, 16J, & 16P: June 24, 2018
16A, 16C, 16E: June 29, 2025
Route
LocaleFairfax County
Arlington County
Communities servedAnnandale, Sleepy Hollow, Lincolnia, Lake Barcroft, Bailey's Crossroads, Columbia Forest, Arlington Mill, Barcroft, Arlington Heights, Penrose, Pentagon City
Landmarks servedFashion Centre at Pentagon City, United States Air Force Memorial, Pentagon City station, Pentagon station
StartAnnandale
ViaColumbia Pike
EndPentagon station
Other routesA40 and A49
Service
LevelDaily
Frequency30 - 60 minutes
Operates5:30 AM – 12:00 AM
Ridership751,750 (16A, FY 2024)
414,985 (16C, FY 2024)
63,421 (16E, FY 2024)
TransfersSmarTrip only
TimetableColumbia Pike Line
← F29  {{{system_nav}}}  F50 →

The Columbia Pike–Pentagon Line, designated as Route F44, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between the neighborhood of Annandale and Pentagon station of the Yellow and Blue lines of the Washington Metro. This line is part of the Pike Ride service, which runs through Columbia Pike. This line provides service to Annandale and the Pentagon Transit Center from the neighborhoods of Fairfax County and Arlington County. Alongside the neighborhoods, it also brings service through the marketplace, business, and offices through Columbia Pike.