The trains that were running on the JR lines were operated with Series 183 while they were on the JR Line during busy seasons, but nowadays the cars used in the section aren't equipped with the ATS-P type system.
JR線乗り入れ列車は、多客期はJR線内は183系で運転されていたが現在はATS-P型のつけられていない車両での運転。