In the quadruple section between Tenmabashi Station and Neyagawa Signal Station, the local trains and some section express trains go on the outbound line (B-line), while others go on the inbound line (A-line).
天満橋～寝屋川信号所間の複々線では普通列車と一部の区間急行は外側線（B線）、その他の列車は内側線（A線）を走る。