The Washington Post

Why a bus lane might help cars too, in one picture

This is what 16th Street looks like on a typical weekday morning. Good luck navigating it, as either a bus rider or car driver.

Streamlining this mess of buses with a transit lane could speed up traffic for everyone.

Bus bunching on 16th Street. Photo courtesy of Kishan Putta.

More than half of all people traveling on 16th Street at rush hour use the bus. It’s D.C.’s most successful bus corridor. But that success comes with a down side: There are so many buses that they bunch into bus traffic jams.

That’s a problem for both bus riders and car drivers. Instead of being able to catch a bus every two minutes, transit riders have to wait a long time for a clump of several buses to arrive all together, almost like a single long train. Most of the buses are full, but eventually one near the end of the “train” may have enough room for more passengers to board.

That’s inefficient, slows down the line, reduces overall capacity and adds unnecessary operating expense.

And it’s just as bad for car drivers. Imagine being stuck behind that clump of buses in a car. That’s a traffic jam, no two ways about it.

And this is why a bus lane on 16th Street could potentially help everyone. If that bus traffic jam can be streamlined into a bus lane, buses will move faster and stay better organized, and cars won’t have to contend with roaming clumps of disorganized buses spilling into every lane.

Theoretically the District Department of Transportation should be able to add a bus lane without sacrificing any car lanes. But even if sacrificing a car lane is necessary, that still may improve car traffic simply by virtue of eliminating bus jams.

It’s worth trying.

Dan Malouff is an Arlington County transportation planner who blogs independently at The Local Blog Network is a group of bloggers from around the D.C. region who have agreed to make regular contributions to All Opinions Are Local.



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