The future Line 3 is planned to be a circular line of the Incheon Subway.
It will intersect Korail Line 1 at Dowon Station and Incheon Subway Line 1 at Dongmak Station.
The color will be Light Green.
仁川地铁未来的3号线将会是一条环状的地铁线,乘客可以在桃源站转乘京仁线,又可以在东幕站转乘仁川地铁1号线。