The Union Pacific Blue Metal Railroad Emergency Crossing Sign is a durable and eye-catching collectible item measuring 9x12 inches. This sign is designed to be displayed at railroad crossings to alert train operators to potential hazards or emergencies. The blue metal material ensures longevity and visibility, making it a practical and vintage addition to any transportation or railroadiana collection. With its unique design and historical significance, this sign would make a great display piece for train enthusiasts and collectors alike.