Station: South Adrian, MI

South Adrian MI Track DiagramSouth Adrian MI Track DiagramSouth Adrian was an interlocked crossing of the DT&I main line (later Tecumseh Branch) and the Wabash main line (Detroit to Montpelier, OH) which was located in Madison Township about 1.5 miles south of downtown Adrian.

South Adrian is located south of the City of Adrian and was a crossing of the Detroit & Lima Northern and the Wabash Railroad.  The interlocker plan at the right is from October 29, 1900.


Notes

Location: 41o52.901'N / 84o01.352'W. 


Time Line

1918: The DT&I had an operator around the clock at this location. [TRT] The DT&I staffed this tower.

1924.  The interlocker was changed and 4 electromechanical levers were added to the tower. The wye track was removed and a new center interchange track was added (see second diagram below).  In 1926 the Wabash double-tracked its main line through Adrian.

1926. October 30. The Wabash orders materials for an addition to it's interlocking plant at South Adrian, likely related to planned double tracking of their main line. [RR]

1926. The Wabash replaces the interlocking at South Adrian with a 3-lever machine including one switch. [RSC-1927]

1930: March 20. The Michigan Public Service Commission approves the discontinuance of the interlocking operator at South Adrian, citing reduced traffic on the DT&I to one train each day in each direction. They approve a "cabin interlocking" scheme where the signals are set to proceed for the Wabash, to be operated by DT&I crews when they wish to cross. Up and until this time, the interlocking tower was staffed by a Wabash leverman. [MPSC-1930]

1930. The tower was removed and replaced by a cabin interlocker. The leverman assigned to the tower was reassigned.  The interlocker was now changed by DT&I crews that required passage.  At this point, the route received only one train each way per day according to Michigan Railroad Commission plans.

1932, The approach signals were changed from controlled to fixed-approach.  In 1936, the Wabash eliminated a crossover between their two main tracks which had been controlled.

1941.  The cabin was removed and the interlocker was automated.  Stop boards and signals were placed on the  DT&I, and new signals were installed on the Wabash. 

 

 


 

 

Bibliography

The following sources are utilized in this website. [SOURCE-YEAR-MMDD-PG]:

  • [AAB| = All Aboard!, by Willis Dunbar, Eerdmans Publishing, Grand Rapids ©1969.
  • [AAN] = Alpena Argus newspaper.
  • [AARQJ] = American Association of Railroads Quiz Jr. pamphlet. © 1956
  • [AATHA] = Ann Arbor Railroad Technical and Historical Association newsletter "The Double A"
  • [AB] = Information provided at Michigan History Conference from Andrew Bailey, Port Huron, MI

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