Shirlington bus station. Photo from Arlington VA.

On paper, travelers between Shirlington and the Pentagon have more than 160 buses per day in each direction to choose from.  In reality, however, it’s difficult to know about and take advantage of these options.

The location of the Shirlington Transit Center bus bays and the fact that two separate operators serve the route, without a combined schedule, hinder passengers’ full use of the choices available.

A little restructuring can save passengers from having to remember multiple schedules and know which bus bay to go to depending on when they arrive at the transit center.

Metrobus routes 7A/C/E/F/Y, 22A, 25A/D and ART route 87 serve the I-395 corridor, connecting downtown Shirlington to the Metrorail network.  The 7A and 25A are express, taking 6-9 minutes to travel directly between these two stations.  The 22A makes a few stops before getting on I-395, resulting in a travel time of about 12-14 minutes.  The ART bus takes a local route that takes about 23-27 minutes, meaning that for Pentagon-bound passengers it is usually advantageous to wait for the next Metrobus than take the ART 87.

At Shirlington the 7 and 25 buses are located at Bus Bay C while the 22A is located at the farthest possible point away, bus bay A:


Because these buses travel through the transit center in opposite directions, it’s not possible to locate them all at the same bay. But placing them at adjoining bays A & E or B & C would make a lot more sense. A passenger wanting to go directly to the Pentagon would not have to dash around the station to the far end to catch the other bus.

It would be difficult to arrange the bays any more rationally at Pentagon station. There, four adjoining bays, Upper 3, 4, 5, and 6, serve the Shirlington routes. Riders have to be astute to note the alternate buses arriving and knowledgeable of their various options. ART bus locations are not shown on this map, which appears to be somewhat out of date.


While WMATA posts station bus stop maps for rail stations such as the Pentagon, ART‘s site had a better graphic and includes the Shirlington transportation center map as well.

Because there are several routes that serve these two points, many riders probably only learn over time that they have several options.  There is no combined point-to-point schedule of the 160+ buses per day that would make this information easy for passengers to have, hold and use.

Also, since NextBus treats each bus bay as a separate stop, it doesn’t effectively serve these customers, who don’t care what bus number they get on — they just want to get between these two points as quickly and easily as possible.

There are other cases where a rearrangement of bus stops at the Pentagon would help riders: e.g., the 29 and 17 buses both serve some of the same parts of Annandale, but are located on separate levels at the Pentagon. Similarly, the 25 and 8 buses share parts of Alexandria, but are located far apart at the Pentagon. Passengers are forced to choose one bay or the other, which may frustrate them if circumstances (like a late bus) work against them.

A programmer could probably create a simple smartphone app using NextBus data that would combine the Shirlington and Pentagon bus stops (or other highly-used point-to-point locations), which would be quite useful to these passengers.

These simple changes and enhancements would cost little or nothing, but would get more riders to their destinations quickly and easily. If transit agency planners and managers were to imagine themselves in the shoes of their customers, these kinds of improvements could be more obvious.

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Steve Offutt has been working at the confluence of business and environment for almost 20 years, with experience in climate change solutions, green building, business-government partnerships, transportation demand management, and more. He lives in Arlington with his wife and two children and is a cyclist, pedestrian, transit rider and driver.