The full-page ad on the front cover of this timetable (the back cover is shown below) announces “28 new streamliners for 1948.” This translated to fourteen pairs of trains, ranging from new all-Pullman 20th Century Limiteds and Commodore Vanderbilts to all-coach Pacemakers, working down to a Chicago-Cleveland streamliner that didn’t have a name.
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The ad brags that this is “the largest equipment order ever built for any railroad,” but it was actually multiple orders from multiple car makers including Budd and Pullman. Including cars ordered for other trains, the ad continues, these cars would form a train five-and-a-half miles long, which (at 85 feet per car) means about 340 cars.