Flick this single home signal down to tell your trains to stop until they39re given the go ahead to pass it39s ideal if you want to indicate that there39s already a train in the station ahead or if there39s been an accident on the line that blocks the track this hornby accessory r171 is packed with amazing detail with authentic looking features found across every inch of this model home signal it39ll certainly look at home at the side of your track layout adding a nice tou