"OS annunciators between Detroit and Ann Arbor were as follows: No. 1 track WB -- Willow Run Yard (or Denton) - WR (came on at Denton Rd., formerly Denton station); No. 2 track EB -- Ann Arbor - A (came on west of West Ann Arbor); Willow Run Yard - WRE (came on west of Wiard Rd.). If there were OSs between Ann Arbor and Jackson, I didn't pay attention to them.
OS annunciators on the Toledo Branch: No. 1 track SB -- Wyandotte - W (came on south of the Ecorse Creek); Rockwood - R; Sandy Creek (north of Warner Yard, Monroe) - SC; LaSalle - L. No. 2 track NB had Monroe - M, and Rockwood - RN.
The OSs were all gone by 1988 when the train dispatchers moved into the Dearborn HQ and had all of the track circuits for these lines displayed on CRTs by computers.
I recall that while working at FN the operator had to line up SB trains immediately when that Wyandotte OS came on, or the train would get sour signals and lay back, coming down to FN at an absolute crawl. Funny how one remembers these things after 30 years or more!"
« Back to index