In terms of the scale of the public transport system, the Busan Metro, or Busan Tosicholto, is a kind of younger brother in Seoul. Although the metropolitan city of Busan also has something to surprise its passengers. In 1979, five years after the opening of the Seoul Metro, Korean engineers began designing a similar system in Busan, the country's second largest city. The first stations were put into operation on July 19, 1985, when the first 16.2 km long launch site was commissioned between Nopo-dong and Beomnaegol. Over the past 34 years, Line 1, marked in orange on the map, has been extended four times and now connects the south of Busan from the Sinpyeoung station to the northern regions ("Nopo Dong") with a 40.5 km section and 20 stations. Meanwhile, the scheme of the whole subway has been replenished with three more directions. Line 2 (green) runs from east to north from Yangsan to Jangsan - the longest in the system, 43 stations and 45.2 km of tracks. Line 3 (yellow or brown) i