There are some type of bus in Seoul. If you want to get around Seoul or want go to other suburban area or maybe you want to explore some of metropolitan satelite cities near Seoul area, you may know this info. Seoul bus can be devided with different kinds of colors, they are :
Green Bus operates in downtown of Seoul. You can find this kind of bus and it connects you to residential areas, subway lines and bus terminals. The green color stands for the mountains surrounding the city.
Blue Bus will connect from downtown of Seoul to suburban area. The blue color represents Seoul’s skyline and Hangang (River) to symbolize security and freedom.
Red Bus or can be said as an express bus, is a convenient bus which connects people who live in neighboring cities. This bus serves routes between major areas (downtown, Gangnam, Yeongdeungpo, etc) and metropolitan satellite cities (Ilsan, Bundang, Uijeongbu, etc). The color red exudes energy of speed.
Yellow Bus operates in downtown of Seoul and will connect you to tourist spots, shopping and business area. Yellow simbolize for dynamic and friendly image.