Railroad Forums 

Discussion relating to the B&O up to it's 1972 merger into Chessie System. Visit the B&O Railroad Historical Society for more information. Also discussion of the C&O up to 1972. Visit the C&O Historical Society for more information. Also includes the WM up to 1972. Visit the WM Historical Society for more information.
 #1174531  by NKP1155
 
I'm trying to find out what type of protection was in place in 1891 where the CL&W crossed the LS&MS at Elyria and the Big 4 at Grafton. Both locations eventually had big interlocking plants. Were such installed as early as the 1890"s? If not, what was the system back then? WJPowers