What is the meaning of "IC" or "JC" on Korean highway signs
I see this all the time on Korean highway signs. I follow signs to 구서 IC when going to a relative's house. I also see 원동 IC, and IC on MANY highway signs.

I had taken it to mean "Interchange," but when trying to look up its meaning, I see there are also "JC" highway signs. So now I have no idea.

Can someone please explain this to me? It doesn't seem to be necessary for me to drive, but it certainly might help explain a few things to me :). (Korean traffic is a big enough mystery without having things I don't understand on the road signs :) ).

Question

What is the meaning of "IC" or "JC" on Korean highway signs
I see this all the time on Korean highway signs. I follow signs to 구서 IC when going to a relative's house. I also see 원동 IC, and IC on MANY highway signs.

I had taken it to mean "Interchange," but when trying to look up its meaning, I see there are also "JC" highway signs. So now I have no idea.

Can someone please explain this to me? It doesn't seem to be necessary for me to drive, but it certainly might help explain a few things to me :). (Korean traffic is a big enough mystery without having things I don't understand on the road signs :) ).

Answer

IC(Interchange)는 나들목으로 명칭하며,  고속도로와 국도(지방도)가 만나는 곳입니다.
    JC(Junction)는 분기점으로 고속도로와 고속도로가 만나는 곳입니다.

IC : highway  national highway, national road
JC : highway  highway

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