Under Wabash control, the Ann Arbor had only two Alco RS-1's Nos.20 and 21. Number 21 was assigned in September 1962 to local service at Owosso, Michigan. Photo taken from my slide collection, pho... (more)

Ann Arbor RS-1 21, owned by the Southern Michigan Railroad, sits on an isolated piece of trackage south of Tecumseh, Michigan.

AA 21 sits off on a side track on the SMRS with its old Michigan Interstate paint, and a attempt to put new Blue Bird paint on it. great way to start off the new decade