Complex sentence: Kokusai-Tenjijō Station is served by the Rinkai Line from to, with many trains through-running over the JR East Saikyo Line and Kawagoe Line to in Saitama Prefecture.
Split into simpler sentences: Kokusai-Tenjijō Station is served by the Rinkai Line from to. Many trains inter-run over the JR East Saikyo Line and Kawagoe Line to in Saitama Prefecture.