Complex sentence: Supporters argue that the distance between Jeongja Station and SB01, an originally planned station to follow Jeongja, is unusually long at 3.76km and that the inclusion of Migeum will alleviate traffic in the area.
Split into simpler sentences: Supporters argue that the distance between Jeongja Station and SB01, an originally planned station to follow Jeongja, is unusually long at 3.76km. They also argue that the inclusion of Migeum will alleviate traffic in the area.