We know you love being able to grab a cheap bus to New York City, Philadelphia, Baltimore and other destinations along the east cost. Entrepreneurs know it too, which is why we've kept track of an explosion in new intercity bus options recently, including BoltBus, Megabus, and DC2NY, along with the traditional Chinatown buses. But with so many more buses picking up and dropping off in several areas of downtown, the District Department of Transportation......