In the latest installment of Mr. Harrell Goes to Washington, Jeff discovers that driving 18th St. is no fun.
(See also "Jeff Harrell and Starting the Day With Awe")
Jeff, in case you're reading, here's a few other places around the District that really blow for driving:
I-66 within the confines of the beltway (the GOP nominee for governor of VA seemed to have widening 66 as the sole plank of his platform. If there was anything else, I never heard about it. But then again, I'm in Maryland.)
I-50 a lot of the time
the Wilson Bridge