関空直結の鉄道新線「なにわ筋線」事業費倍増の6500億円に 工事費高騰、地中に障害物 by | Apr 28, 2026 | ニュース | 0 comments Post Content Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.