noun
destination sign; rollsign
Refers to the sign on the front, side, or inside of a train or bus that shows the destination or route. Often a rollsign or electronic display.
電車の方向幕が「新宿」に変わった。
The train's destination sign changed to 'Shinjuku'.
古いバスの方向幕は手動
The old bus's rollsign was the type you turn by hand.