Actually DC is a very smartly laid out. 4 Quadrants with Numbered Streets in one direction and Streets in Alpha order going from 1st sylable A-Z the 2 sylable A-Z then 3 sylable A-Z on out. It was designed by a man named Lafayette.
Check out this link for a little more history.
http://www.cr.nps.gov/nr/travel/wash/lenfant.htm
Plus our Metro system is 2nd to none and is very easy to access. Now only if these people who designed these would have had an oppurtunity at doing FEDEX. Now there is a nightmare of a stadium.