Student or Learner
Please correct this conversation.
A: I don't understand why this red light is so long!
B: I think it's so that the pedestrians have time to cross.
A: Supposedly, this city has more pedestrian traffic than anywhere else.
B: I find that hard to believe.
I think the lights stay red for such a long time in order that the pedestrians can all cross.
so - definition of so by the Free Online Dictionary, Thesaurus and Encyclopedia.
so that Idiom1.
In order that: I stopped so that you could catch up.
2. With the result or consequence that.