However, no specific example of cooperative operations between the Shinkansen line and regular railway lines exist in this section, except through train operations between regular railway lines (the only case available is Izu Free Q Kippu (a free pass to access the Izu Peninsula), with which either riding a Shinkansen train or the 'Odoriko' train (unreserved seats) on the regular railway line is allowed.
しかしながら、両社はこの区間において在来線同士の直通運転を除き、新幹線と在来線の相互連携は特に見られない（特別企画乗車券「伊豆フリーQきっぷ」で、東京-熱海-三島間で東海道新幹線あるいは在来線特急（踊り子(列車)）自由席の利用が可能である程度）。