Columbia Pike–National Landing Line

A40
Columbia Pike–National Landing Line
Route 16M arriving at Skyline City in 2023.
Overview
SystemMetrobus
OperatorWashington Metropolitan Area Transit Authority
GarageFour Mile Run
LiveryLocal
StatusIn Service
Began serviceSeptember 7, 2003
Predecessors16G, 16H (before June 24, 2023)
16M (2023–2025)
Route
LocaleFairfax County
Arlington County, Southwest
Communities servedSkyline City, Columbia Forest, Arlington Mill, Barcroft, Arlington Heights, Penrose, Pentagon City, Crystal City, Downtown
Landmarks servedFashion Centre at Pentagon City, United States Air Force Memorial, Pentagon City station, Crystal City station, The Wharf (Late night only), L'Enfant Plaza station (Late night only)
StartSkyline City
ViaColumbia Pike
EndCrystal City station
L'Enfant Plaza station (Late night only)
Other routesF44 and A49
Service
LevelDaily
Frequency12 Minutes (7AM - 9PM)
20 - 30 minutes (After 9PM)
Operates5:30 AM – 1:45 AM
Ridership1,126,585 (FY 2024)
TransfersSmarTrip only
TimetableColumbia Pike–National Landing Line
← A28  {{{system_nav}}}  A49 →

The Columbia Pike–National Landing Line, designated as Route A40, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Skyline City and Crystal City station of the Yellow and Blue lines of the Washington Metro, with late night trips extending to L'Enfant Plaza station of the Blue, Orange, Silver, Green and Yellow Lines of the Washington Metro. This line is part of the Pike Ride service, which runs through Columbia Pike. This line provides service through the neighborhoods of Fairfax County and Arlington County to Crystal City. Unlike the Columbia Pike Line, the Columbia Pike–National Landing Line does not serve Columbia Pike past the Arlington County line.