Ua kūpono nā kikowaena hoʻonaʻauao DC i hoʻohui ʻia no nā keʻena hoʻolimalima lehulehu o ke kūlanakauhale (nā kaʻa, nā kaʻa, nā kaʻa mana, nā kaʻa hoʻomaʻemaʻe, nā kaʻa logistic, etc.).ʻO nā keʻena hoʻolimalima lehulehu o ke kūlanakauhale (nā kaʻa pilikino, nā mea hele, nā kaʻa kaʻa, a me nā mea ʻē aʻe) e pili ana i nā wahi kaʻa like ʻole, nā hale kūʻai kūʻai, nā wahi ʻoihana mana, etc.I nā kūlana kahi e koi ʻia ai ka hoʻouka wikiwiki ʻana o DC, e like me nā alanui intercity a me nā keʻena hoʻoili alaloa, kūpono loa ia no ka hoʻolalelale wikiwiki ʻana i nā wahi liʻiliʻi.