Saginaw Bay Southern (reporting marks SBS) was a shortline railroad operating in the lower peninsula of Michigan.
[1] The railroad was a subsidiary of Lake State Railway until the two companies merged in 2012.
On October 29, 2005, Saginaw Bay Southern began leasing over 67 miles of CSX Transportation trackage.
In late 2011, it was announced that the SBS will be merged with Lake State, with LSRC being the surviving company.
Following the news of the merger, Lake State has stopped painting the Saginaw Bay Southern logo on its locomotives.