Columbia Pike–National Landing Line
Bus route

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, Yellow, Orange, Silver and Green 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.
Route description and service
The A40 operates daily from Four Mile Run Division. Route A40 operates between Skyline City and Crystal City station, providing local stops through Columbia Pike. The A40 also runs through other neighborhoods in Columbia Pike, such as Barcroft, Arlington Heights, and Penrose, including a portion of Leesburg Pike to expand service to the marketplace of Skyline City. In addition, The A40 extends through Washington D.C., by operating up to L'Enfant Plaza station during the late nights only. The name of National Landing comes from joining parts of the Crystal City and Pentagon City neighborhoods, alongside the location of the Amazon HQ2 headquarters.
A40 stops
History
The Columbia Pike–National Landing Line was introduced in 2023, as route 16M during the simplification of the line. The line was part of the Pike Ride route since September 7, 2003 as the 16G, 16H, 16K, and 16W. During the creation of the Pike Ride Transit Service, this line was formally known as the Columbia Heights West–Pentagon City Line.
The public source identifies “Columbia Pike–National Landing Line” as bus route. This brief keeps that definition visible, then builds a research path around Columbia, Pike and National.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 19, 2026. The linked authority identifier is Q120467804. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2023 and 2003.
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This entry incorporates text from “Columbia Pike–National Landing Line” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.