This item is a 24-pack of Pullman PS-2CD 4000 or 4740 hoppers in any currently available RTR scheme or road number of your choice! This represents a savings of over $85! During checkout, on the Order Options page, there is a box titled "Type special instructions to Tangent here". In that box, tell us what 12 roadnames and/or numbers you want with your order. There is no duplication of roadnames so car type descriptions are not necessary!