South Korea have many cities with nicely built metro systems. They are big and is also a reason for less traffic in the countries bigger cities. Incheon city is no exception neither. The city got over 2.5 million people, means that its population is half of Norwegian population. However it is a neighbour city to Seoul but that makes it just even more interest.
Extension to Incheon from Songdo
Suin Line was extended towards west from Songdo to Incheon on 27th of February Urbanrail.net reports.