According to JR Tokai, a few of the automated ticket gates on the north exit of the Shinkansen at Nagoya Station grew to become unusable round 11 a.m. on the sixteenth.
Station workers responded face-to-face and directed passengers to completely different ticket gates, and the congestion of passengers was resolved after about quarter-hour.
Some of the automated ticket gates are nonetheless unusable, and JR Central is endeavor restoration work and investigating the trigger.