A wiring structure of a head suspension including a flexure that supports a head and is attached to a load beam applying load onto the head, comprises write wiring and read wiring formed on the flexure and connected to the head, each having wires of opposite polarities. The wiring structure further comprises a stacked interleaved part includes segments electrically connected to the respective wires of the write wiring, the segments stacked on and facing the wires through an electrical insulating layer so that the facing wire and segment have opposite polarities.