A word of introduction: NPR’s “Car Talk” features a segment in which The Puzzler asks questions of the audience that tend to be automotive in nature, although at times, the questions explored other topics. As it turns out, The Puzzler is a Frisco fan, and I will offer a monthly question on this site. The Puzzler has several questions prepared, however, The Puzzler solicits your Frisco trivia question and will offer the best one each month. To get things, started here’s September’s question. The Jonesboro, Lake City & Eastern RR, which was purchased by the Frisco during 1925, and the Missouri & North Arkansas RR share a common thread. What is it?