noun
in-train announcement; PA system on a train
Refers to announcements made over the public address system inside a train, such as station arrivals, delays, or safety reminders.
車内放送で次の駅が案内された。
The next station was announced over the in-train PA system.
車内放送によると、信号
According to the in-train announcement, there seems to be a delay due to a signal problem.