There is the opinion that the construction work for this section of the line should be restarted, because, when the projected Shinkansen lines start operations, it may occur that the traffic capacity between Omiya and Tokyo and that at Tokyo Station become inadequate.
整備新幹線開業後の大宮-東京間及び東京駅の容量逼迫に備えてこの区間の建設を再開すべきだという意見がある。