Railroads were the most common form of transportation in the United States up to World War 2. Any item related to railroads attract collectors. Most collectors are interested to find memorabilia from a particular region or railroad. The popular railroad antiques collected include locks, lanterns, baggage tags, caps, signs and badges. The dinnerware and hollowware are also collected. Uniforms and railroad related photos, posters and telegraphs are certain other antiques related to railroads.