Chicago & North Western is my favorite railroads in America. C&NW was named in 1859 and never changed it until it was merged into Union Pacific in 1995. The most famous trains in C&NW family is "400" Passenger Trains. Those trains were named "400", because in 1935, C&NW had an advertisement said: "From Chicago to Twin Cities (Minneapolis, St. Paul), Not more than 400 miles, Not more than 400 Minutes!!!" Many people like it and then, C&NW used 400 for many trains' names such as Kate Shelley 400, Dakota 400, Twin Cities 400 .......