Columbia Pike Line

16A, 16C, 16E
Columbia Pike Line
An unrehabbed 2006 Orion VII CNG running on the 16A in 2010
Overview
System	Metrobus
Operator	Washington Metropolitan Area Transit Authority
Garage	Four Mile Run
Livery	Local
Status	In Service
Began service	1921
Ended service	16D: March 29, 2015 16B, 16J, & 16P: June 24, 2018
Route
Locale	Fairfax County Arlington County Northwest (16E Early Morning Weekends and Late Nights Daily)
Communities served	Annandale, Sleepy Hollow, Lincolnia, Lake Barcroft, Culmore, Bailey's Crossroads, Columbia Forest, Arlington Mill, Barcroft, Arlington Heights, Penrose, Pentagon City
Landmarks served	United States Air Force Memorial, Pentagon City station, Pentagon station, National Mall, Franklin Square
Start	Annandale (16A) Culmore (16C, 16E)
Via	Columbia Pike
End	Pentagon station (16A, 16C) Franklin Square (16E)
Other routes	16M and 16Y
Service
Level	Daily
Frequency	10-25 minutes (Peak Hours) 30 minutes (Midday and Weekday Evening Service) 30-35 minutes (Saturday) 30-60 minutes (Sunday)
Operates	4:33 AM – 2:00 AM (Mondays - Fridays) 5:06 AM – 2:00 AM (Saturdays) 6:00 AM – 2:00 AM (Sundays)
Ridership	626,191 (16A, FY 2023)[1] 362,797 (16C, FY 2023)[1] 63,247 (16E, FY 2023)[1]
Transfers	SmarTrip only
Timetable	Columbia Pike Line
Route map ← 11Y  {{{system_nav}}}  16M →

The Columbia Pike Line, designated as Routes 16A, 16C & 16E, are daily bus routes operated by the Washington Metropolitan Area Transit Authority between the neighborhoods of Annandale (16A) or Culmore (16C, 16E) and Pentagon station (16A, 16C) of the Yellow and Blue lines of the Washington Metro or Franklin Square (16E). This line is part of the Pike Ride service, which runs through Columbia Pike. This line provides service to Annandale or Culmore and the Pentagon Transit Center or Franklin Square 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.